Add support jar.
Updating support jar.
Merge remote-tracking branch 'upstream/master' into HEAD
Add .classpath and .project.
Scroll listener
Refactor and merge with upstream library changes.
Reset to original state.
Add customizable background to custom progress indicator.
Remove setBackground() method, doesn't work on 2.3
Turn debug off.
Add Gradle build file.
Update android-support-v4.jar
Update build.gradle
update gradle
merge foursquare