Heatwallet 3.0.0

Light client version without server.

Notable changes in Heatwallet client:

Support storage of BTC messages in Local storage space.
Support BTC transfer using HEAT accountId
Support for IOTA wallet
Support for ARDR wallet
Use company node for querying BTC, NXT, ARDR
Failover for BTC to use blockcypher.com
Import specific currency wallet only on wallet screen
Added Internet Address registration UI to support Masternode feature
Added support for new transactions types - Internet Address registration, Atomic Multi Transfer
Configurable URL of signaling server - ability to use separate (own, private) network of p2p messaging clients
Tiny fixes of user interface
Fixed failover behavior - switching between servers requires stricter conditions, which reduces the number of switchings
Fixed p2p messaging behavior on account switching on the Wallet page
Fixed behavior and application state on account switching on the Wallet page
Disallowed new account creation without pin code