Updating the DroidBoy API key.
Updating the Appboy Android UI library.
Updating the Appboy Android sample app
Updating CHANGELOG, LICENSE, README
Updating Appboy Constants
Merge remote-tracking branch 'origin' into HEAD

Conflicts:
	android-sdk-ui/src/com/appboy/ui/adapters/AppboyListAdapter.java
	android-sdk-ui/src/com/appboy/ui/widget/BaseCardView.java

Also modifies a fix made on this branch to more generically fix the case where we try to replace an existing news feed with a feed that has less cards, which would have caused a crash before.
Slight formatting and comment update
Updating changelog for bugfix.
Fixing duplicate imports.
Fixing duplicate imports.
Merge pull request #17 from Appboy/feature/feedFix

Feature/feed fix
Adds the Gradle wrapper and appropriate build.gradle files for this project to build using the new Android build system. Updates the README to inform people of build/install methods with gradle. Adds the ability to install the android-sdk-ui into a local maven repository as an AAR file.
Merge branch 'feature/feedFix'
pom
Fix indentation
Fix resource platform encoding
Fix charset #2 and fix versions
Remove warnings

No logic change, just added annotations, added lint.xml
and removed unused import
Remove dead code & add to lint ignore

Conflicts:
	android-sdk-ui/src/com/appboy/ui/AppboySlideupManager.java
	android-sdk-ui/src/com/appboy/ui/widget/SlideupDrawerView.java
More warnings removed