Try out the gradle build system.
Remove old files.
Added updated gitignore
Change drawer type to 'overlay' instead of 'behind'.
Merge branch 'gradle' of https://github.com/antew/RedditInPictures into gradle
Merge branch 'master' into gradle
Start merging changes from master.  Currently R.java is not generating so the build is broken (in this branch only).

Conflicts:
	RedditInPictures-Free/AndroidManifest.xml
	RedditInPictures-Library/src/main/java/com/antew/redditinpictures/library/preferences/RedditInPicturesPreferences.java
	RedditInPictures-Library/src/main/java/com/antew/redditinpictures/library/ui/ImageGridActivity.java
Update gradle build
Update free version imports
Merge remote-tracking branch 'origin' into gradle

Conflicts:
	pom.xml
	src/main/java/com/antew/redditinpictures/library/adapter/ImageListCursorAdapter.java
	src/main/java/com/antew/redditinpictures/library/ui/ImageGridActivity.java
	src/main/res/values/styles.xml
Move files to gradle directories.
Merge remote-tracking branch 'remotes/origin/master' into test

Conflicts:
	RedditInPictures-Free/AndroidManifest.xml
Add admob dependency.
Merge pull request #59 from antew/gradle

Move to gradle build system.