gradlew: Update to 2.3

Also fix use of deprecated method.

Fixes #799

Signed-off-by: BJ Hargrave <bj@bjhargrave.com>

.gradle-wrapper/gradle-wrapper.properties

@@ -2,4 +2,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-2.1-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-2.3-bin.zip

CONTRIBUTING.md

@@ -16,13 +16,13 @@ This information will help us review and fix your issue faster.
 ## Build Environment
 
 The only thing you need to build bnd is Java. We use Java 7 but most
-projects only require Java 6. We use Gradle to build and The repo 
-includes `gradlew` but you can use your system `gradle` but we require 
-at least version 2.0.
+projects only require Java 6. We use Gradle to build and the repo 
+includes `gradlew`. You can use your system `gradle` but we require 
+at least version 2.3.
 
-`gradle`              - Assembles, tests and releases the projects into dist/bundles  
-`gradle :dist:build`  - Assembles and tests the projects  
-`gradle :dist:index`  - Assembles and releases the projects into dist/bundles..
+`./gradlew`              - Assembles, tests and releases the projects into dist/bundles  
+`./gradlew :dist:build`  - Assembles and tests the projects  
+`./gradlew :dist:index`  - Assembles and releases the projects into dist/bundles..
 
 We use [Travis CI](https://travis-ci.org/bndtools/bnd) and the repo includes a
 `.travis.yml` file to build on Travis CI.

README.md

@@ -43,12 +43,11 @@ available.
 ## Building
 Gradle is used to build bnd. The workspace root has a `build.gradle` file that builds all projects in proper order.
 
-`gradle`              - Assembles, tests and releases the projects into dist/bundles  
-`gradle :dist:build`  - Assembles and tests the projects  
-`gradle :dist:index`  - Assembles and releases the projects into dist/bundles  
+`./gradlew`              - Assembles, tests and releases the projects into `dist/bundles`  
+`./gradlew :dist:build`  - Assembles and tests the projects  
+`./gradlew :dist:index`  - Assembles and releases the projects into `dist/bundles`  
 
-The workspace root also includes the gradle wrapper, `gradlew`, command if you do not have gradle installed
-on your system.
+The workspace root includes the gradle wrapper, `gradlew`, command.
 
 [![CloudBees Build Status](https://bndtools.ci.cloudbees.com/job/bnd.master/badge/icon)](https://bndtools.ci.cloudbees.com/job/bnd.master/)
 [![Travis CI Build Status](https://travis-ci.org/bndtools/bnd.svg?branch=master)](https://travis-ci.org/bndtools/bnd)

settings.gradle

@@ -24,7 +24,7 @@ buildscript {
   configurations.classpath.resolutionStrategy.cacheChangingModulesFor 30, 'minutes'
   dependencies {
     components {
-      eachComponent { ComponentMetadataDetails details ->
+      all { ComponentMetadataDetails details ->
         details.changing = true
       }
     }