Bugfix for *-library.jar building (was adding source files instead of class files).
First implementation of the iOS AppStore purchase manager.
Merge pull request #10 from BlueRiverInteractive/ios-robovm-pay

Implementation of the iOS AppStore purchase manager
Fixed remaining bugs of the iOS purchase manager and added some logging.
Merge pull request #11 from BlueRiverInteractive/ios-robovm-pay

Fixed remaining bugs of the iOS purchase manager and added some logging.
Documentation updated: iOS integration.
Another documentation update (iOS).
Formatting update documentation iOS.
Documentation update for Android (AndroidManifest/proguard settings).
Formatting updated for Android settings.
File mode updated for gradlew (Mac/Linux).
Released version 0.2.0. Snapshot version updated to 0.3.0.
Information.java added: localized product information (where available).
Bugfix for formatting: '*'.
Documentation update: store-keys (Amazon doesn't need them).