update constructor syntax for solidity 0.4.23 in numerous contracts

contracts/AddressUtils.sol

@@ -1,4 +1,4 @@
-pragma solidity ^0.4.21;
+pragma solidity ^0.4.23;
 
 
 /**

contracts/Bounty.sol

@@ -1,4 +1,4 @@
-pragma solidity ^0.4.21;
+pragma solidity ^0.4.23;
 
 
 import "./payment/PullPayment.sol";

contracts/DayLimit.sol

@@ -1,4 +1,4 @@
-pragma solidity ^0.4.21;
+pragma solidity ^0.4.23;
 
 
 /**
@@ -16,7 +16,7 @@ contract DayLimit {
    * @dev Constructor that sets the passed value as a dailyLimit.
    * @param _limit uint256 to represent the daily limit.
    */
-  function DayLimit(uint256 _limit) public {
+  constructor(uint256 _limit) public {
     dailyLimit = _limit;
     lastDay = today();
   }

contracts/ECRecovery.sol

@@ -1,4 +1,4 @@
-pragma solidity ^0.4.21;
+pragma solidity ^0.4.23;
 
 
 /**

contracts/LimitBalance.sol

@@ -1,4 +1,4 @@
-pragma solidity ^0.4.21;
+pragma solidity ^0.4.23;
 
 
 /**
@@ -15,7 +15,7 @@ contract LimitBalance {
    * @dev Constructor that sets the passed value as a limit.
    * @param _limit uint256 to represent the limit.
    */
-  function LimitBalance(uint256 _limit) public {
+  constructor(uint256 _limit) public {
     limit = _limit;
   }
 

contracts/MerkleProof.sol

@@ -1,4 +1,4 @@
-pragma solidity ^0.4.21;
+pragma solidity ^0.4.23;
 
 
 /*

contracts/ReentrancyGuard.sol

@@ -1,4 +1,4 @@
-pragma solidity ^0.4.21;
+pragma solidity ^0.4.23;
 
 
 /**

contracts/access/SignatureBouncer.sol

@@ -1,4 +1,4 @@
-pragma solidity ^0.4.18;
+pragma solidity ^0.4.23;
 
 import "../ownership/Ownable.sol";
 import "../ownership/rbac/RBAC.sol";

contracts/crowdsale/Crowdsale.sol

@@ -1,4 +1,4 @@
-pragma solidity ^0.4.21;
+pragma solidity ^0.4.23;
 
 import "../token/ERC20/ERC20.sol";
 import "../math/SafeMath.sol";
@@ -45,7 +45,7 @@ contract Crowdsale {
    * @param _wallet Address where collected funds will be forwarded to
    * @param _token Address of the token being sold
    */
-  function Crowdsale(uint256 _rate, address _wallet, ERC20 _token) public {
+  constructor(uint256 _rate, address _wallet, ERC20 _token) public {
     require(_rate > 0);
     require(_wallet != address(0));
     require(_token != address(0));

contracts/crowdsale/distribution/FinalizableCrowdsale.sol

@@ -1,4 +1,4 @@
-pragma solidity ^0.4.21;
+pragma solidity ^0.4.23;
 
 import "../../math/SafeMath.sol";
 import "../../ownership/Ownable.sol";

contracts/crowdsale/distribution/PostDeliveryCrowdsale.sol

@@ -1,4 +1,4 @@
-pragma solidity ^0.4.21;
+pragma solidity ^0.4.23;
 
 import "../validation/TimedCrowdsale.sol";
 import "../../token/ERC20/ERC20.sol";

contracts/crowdsale/distribution/RefundableCrowdsale.sol

@@ -1,4 +1,4 @@
-pragma solidity ^0.4.21;
+pragma solidity ^0.4.23;
 
 
 import "../../math/SafeMath.sol";
@@ -25,7 +25,7 @@ contract RefundableCrowdsale is FinalizableCrowdsale {
    * @dev Constructor, creates RefundVault.
    * @param _goal Funding goal
    */
-  function RefundableCrowdsale(uint256 _goal) public {
+  constructor(uint256 _goal) public {
     require(_goal > 0);
     vault = new RefundVault(wallet);
     goal = _goal;

contracts/crowdsale/distribution/utils/RefundVault.sol

@@ -1,4 +1,4 @@
-pragma solidity ^0.4.21;
+pragma solidity ^0.4.23;
 
 import "../../../math/SafeMath.sol";
 import "../../../ownership/Ownable.sol";
@@ -26,7 +26,7 @@ contract RefundVault is Ownable {
   /**
    * @param _wallet Vault address
    */
-  function RefundVault(address _wallet) public {
+  constructor(address _wallet) public {
     require(_wallet != address(0));
     wallet = _wallet;
     state = State.Active;

contracts/crowdsale/emission/AllowanceCrowdsale.sol

@@ -1,4 +1,4 @@
-pragma solidity ^0.4.21;
+pragma solidity ^0.4.23;
 
 import "../Crowdsale.sol";
 import "../../token/ERC20/ERC20.sol";
@@ -15,10 +15,10 @@ contract AllowanceCrowdsale is Crowdsale {
   address public tokenWallet;
 
   /**
-   * @dev Constructor, takes token wallet address. 
+   * @dev Constructor, takes token wallet address.
    * @param _tokenWallet Address holding the tokens, which has approved allowance to the crowdsale
    */
-  function AllowanceCrowdsale(address _tokenWallet) public {
+  constructor(address _tokenWallet) public {
     require(_tokenWallet != address(0));
     tokenWallet = _tokenWallet;
   }

contracts/crowdsale/emission/MintedCrowdsale.sol

@@ -1,4 +1,4 @@
-pragma solidity ^0.4.21;
+pragma solidity ^0.4.23;
 
 import "../Crowdsale.sol";
 import "../../token/ERC20/MintableToken.sol";
@@ -7,7 +7,7 @@ import "../../token/ERC20/MintableToken.sol";
 /**
  * @title MintedCrowdsale
  * @dev Extension of Crowdsale contract whose tokens are minted in each purchase.
- * Token ownership should be transferred to MintedCrowdsale for minting. 
+ * Token ownership should be transferred to MintedCrowdsale for minting.
  */
 contract MintedCrowdsale is Crowdsale {
 

contracts/crowdsale/price/IncreasingPriceCrowdsale.sol

@@ -1,4 +1,4 @@
-pragma solidity ^0.4.21;
+pragma solidity ^0.4.23;
 
 import "../validation/TimedCrowdsale.sol";
 import "../../math/SafeMath.sol";
@@ -21,7 +21,7 @@ contract IncreasingPriceCrowdsale is TimedCrowdsale {
    * @param _initialRate Number of tokens a buyer gets per wei at the start of the crowdsale
    * @param _finalRate Number of tokens a buyer gets per wei at the end of the crowdsale
    */
-  function IncreasingPriceCrowdsale(uint256 _initialRate, uint256 _finalRate) public {
+  constructor(uint256 _initialRate, uint256 _finalRate) public {
     require(_initialRate >= _finalRate);
     require(_finalRate > 0);
     initialRate = _initialRate;

contracts/crowdsale/validation/CappedCrowdsale.sol

@@ -1,4 +1,4 @@
-pragma solidity ^0.4.21;
+pragma solidity ^0.4.23;
 
 import "../../math/SafeMath.sol";
 import "../Crowdsale.sol";
@@ -17,13 +17,13 @@ contract CappedCrowdsale is Crowdsale {
    * @dev Constructor, takes maximum amount of wei accepted in the crowdsale.
    * @param _cap Max amount of wei to be contributed
    */
-  function CappedCrowdsale(uint256 _cap) public {
+  constructor(uint256 _cap) public {
     require(_cap > 0);
     cap = _cap;
   }
 
   /**
-   * @dev Checks whether the cap has been reached. 
+   * @dev Checks whether the cap has been reached.
    * @return Whether the cap was reached
    */
   function capReached() public view returns (bool) {

contracts/crowdsale/validation/IndividuallyCappedCrowdsale.sol

@@ -1,4 +1,4 @@
-pragma solidity ^0.4.21;
+pragma solidity ^0.4.23;
 
 import "../../math/SafeMath.sol";
 import "../Crowdsale.sol";

contracts/crowdsale/validation/TimedCrowdsale.sol

@@ -1,4 +1,4 @@
-pragma solidity ^0.4.21;
+pragma solidity ^0.4.23;
 
 import "../../math/SafeMath.sol";
 import "../Crowdsale.sol";
@@ -28,7 +28,7 @@ contract TimedCrowdsale is Crowdsale {
    * @param _openingTime Crowdsale opening time
    * @param _closingTime Crowdsale closing time
    */
-  function TimedCrowdsale(uint256 _openingTime, uint256 _closingTime) public {
+  constructor(uint256 _openingTime, uint256 _closingTime) public {
     // solium-disable-next-line security/no-block-members
     require(_openingTime >= block.timestamp);
     require(_closingTime >= _openingTime);

contracts/crowdsale/validation/WhitelistedCrowdsale.sol

@@ -1,4 +1,4 @@
-pragma solidity ^0.4.21;
+pragma solidity ^0.4.23;
 
 import "../Crowdsale.sol";
 import "../../ownership/Ownable.sol";

contracts/examples/SampleCrowdsale.sol

@@ -1,4 +1,4 @@
-pragma solidity ^0.4.21;
+pragma solidity ^0.4.23;
 
 import "../crowdsale/validation/CappedCrowdsale.sol";
 import "../crowdsale/distribution/RefundableCrowdsale.sol";
@@ -33,7 +33,7 @@ contract SampleCrowdsaleToken is MintableToken {
  */
 contract SampleCrowdsale is CappedCrowdsale, RefundableCrowdsale, MintedCrowdsale {
 
-  function SampleCrowdsale(
+  constructor(
     uint256 _openingTime,
     uint256 _closingTime,
     uint256 _rate,

contracts/examples/SimpleSavingsWallet.sol

@@ -1,4 +1,4 @@
-pragma solidity ^0.4.21;
+pragma solidity ^0.4.23;
 
 import "../ownership/Heritable.sol";
 
@@ -19,7 +19,7 @@ contract SimpleSavingsWallet is Heritable {
   event Received(address indexed payer, uint256 amount, uint256 balance);
 
 
-  function SimpleSavingsWallet(uint256 _heartbeatTimeout) Heritable(_heartbeatTimeout) public {}
+  constructor(uint256 _heartbeatTimeout) Heritable(_heartbeatTimeout) public {}
 
   /**
    * @dev wallet can receive funds.

contracts/examples/SimpleToken.sol

@@ -1,4 +1,4 @@
-pragma solidity ^0.4.21;
+pragma solidity ^0.4.23;
 
 
 import "../token/ERC20/StandardToken.sol";
@@ -21,7 +21,7 @@ contract SimpleToken is StandardToken {
   /**
    * @dev Constructor that gives msg.sender all of existing tokens.
    */
-  function SimpleToken() public {
+  constructor() public {
     totalSupply_ = INITIAL_SUPPLY;
     balances[msg.sender] = INITIAL_SUPPLY;
     emit Transfer(0x0, msg.sender, INITIAL_SUPPLY);

contracts/lifecycle/Destructible.sol

@@ -1,4 +1,4 @@
-pragma solidity ^0.4.21;
+pragma solidity ^0.4.23;
 
 
 import "../ownership/Ownable.sol";
@@ -10,7 +10,7 @@ import "../ownership/Ownable.sol";
  */
 contract Destructible is Ownable {
 
-  function Destructible() public payable { }
+  constructor() public payable { }
 
   /**
    * @dev Transfers the current balance to the owner and terminates the contract.

contracts/lifecycle/Pausable.sol

@@ -1,4 +1,4 @@
-pragma solidity ^0.4.21;
+pragma solidity ^0.4.23;
 
 
 import "../ownership/Ownable.sol";

contracts/lifecycle/TokenDestructible.sol

@@ -1,4 +1,4 @@
-pragma solidity ^0.4.21;
+pragma solidity ^0.4.23;
 
 import "../ownership/Ownable.sol";
 import "../token/ERC20/ERC20Basic.sol";
@@ -12,7 +12,7 @@ import "../token/ERC20/ERC20Basic.sol";
  */
 contract TokenDestructible is Ownable {
 
-  function TokenDestructible() public payable { }
+  constructor() public payable { }
 
   /**
    * @notice Terminate contract and refund to owner

contracts/math/Math.sol

@@ -1,4 +1,4 @@
-pragma solidity ^0.4.21;
+pragma solidity ^0.4.23;
 
 
 /**

contracts/math/SafeMath.sol

@@ -1,4 +1,4 @@
-pragma solidity ^0.4.21;
+pragma solidity ^0.4.23;
 
 
 /**

contracts/mocks/AllowanceCrowdsaleImpl.sol

@@ -1,17 +1,17 @@
-pragma solidity ^0.4.21;
+pragma solidity ^0.4.23;
 
 import "../token/ERC20/ERC20.sol";
 import "../crowdsale/emission/AllowanceCrowdsale.sol";
 
 
 contract AllowanceCrowdsaleImpl is AllowanceCrowdsale {
 
-  function AllowanceCrowdsaleImpl (
+  constructor (
     uint256 _rate,
     address _wallet,
     ERC20 _token,
     address _tokenWallet
-  ) 
+  )
     public
     Crowdsale(_rate, _wallet, _token)
     AllowanceCrowdsale(_tokenWallet)

contracts/mocks/BasicTokenMock.sol

@@ -1,4 +1,4 @@
-pragma solidity ^0.4.21;
+pragma solidity ^0.4.23;
 
 
 import "../token/ERC20/BasicToken.sol";
@@ -7,7 +7,7 @@ import "../token/ERC20/BasicToken.sol";
 // mock class using BasicToken
 contract BasicTokenMock is BasicToken {
 
-  function BasicTokenMock(address initialAccount, uint256 initialBalance) public {
+  constructor(address initialAccount, uint256 initialBalance) public {
     balances[initialAccount] = initialBalance;
     totalSupply_ = initialBalance;
   }

contracts/mocks/BouncerMock.sol

@@ -1,4 +1,4 @@
-pragma solidity ^0.4.18;
+pragma solidity ^0.4.23;
 
 import "../access/SignatureBouncer.sol";
 

contracts/mocks/BurnableTokenMock.sol

@@ -1,11 +1,11 @@
-pragma solidity ^0.4.21;
+pragma solidity ^0.4.23;
 
 import "../token/ERC20/BurnableToken.sol";
 
 
 contract BurnableTokenMock is BurnableToken {
 
-  function BurnableTokenMock(address initialAccount, uint initialBalance) public {
+  constructor(address initialAccount, uint initialBalance) public {
     balances[initialAccount] = initialBalance;
     totalSupply_ = initialBalance;
   }

contracts/mocks/CappedCrowdsaleImpl.sol

@@ -1,17 +1,17 @@
-pragma solidity ^0.4.21;
+pragma solidity ^0.4.23;
 
 import "../token/ERC20/ERC20.sol";
 import "../crowdsale/validation/CappedCrowdsale.sol";
 
 
 contract CappedCrowdsaleImpl is CappedCrowdsale {
 
-  function CappedCrowdsaleImpl (
+  constructor (
     uint256 _rate,
     address _wallet,
     ERC20 _token,
     uint256 _cap
-  ) 
+  )
     public
     Crowdsale(_rate, _wallet, _token)
     CappedCrowdsale(_cap)