Proper support for onAttachedToWindow and onDetachedFromWindow methods on Android 2.x
Merge remote-tracking branch 'upstream/master'
Update to meet commit e4d6a4e.
Ops... added missing import
LiveWallpaper: added proper support for attach to and detach from window on Android 2.x
Fixed overflow
removed superfluous license files, mavenized controllers extension
fixed 64-bit detection on mac os x, grr...
*.jar files are not ignored by default

This caused gradle-wrapper.jar to not be included in the project repo thus defying the whole purpose of using gradlew.
Also needed for libraries that still have to be added manually.
Gradle: Check for ANDROID_HOME

Uses the ANDROID_HOME environment variable to determine SDK location if
not specified
--sdkLocation is optional if ANDROID_HOME is specified
Falls back to sdkLocation if specified
Added missing LICENSE header to GdxSetupUI
Gradle: Allow fallback to sdkLocation if present
fixed eclipse assets path...
Merge pull request #1649 from Unkn0wn0ne/master

Gradle: Added ANDROID_HOME sdk check
Merge pull request #1631 from davebaol/wmean

Fixed overflow
Merge pull request #1557 from davebaol/master

Proper support for onAttachedToWindow and onDetachedFromWindow methods on Android 2.x
Merge pull request #1648 from wmora/master

*.jar files are not ignored by default
Update AdvancedSettingsPanel.java
Fixes #1647
Various changes (mainly math related)
Merge branch 'master' of https://github.com/libgdx/libgdx into various