added proguard.
Added window animations from CONTENT library.
U.
Merge branch 'develop' into release-support
merged
Updated.
Fixed pull controller.
Merge branch 'develop' into release-support
Merge branch 'release-support' into release

Conflicts:
	artifacts/ui-0.1.aar
Merged.
Prepared refactoring of pull controller.
Refactored pull controller. Implemented VerticalPullHelper.java.
Updated pull helpers.
Merge branch 'develop' into release-support
Merged.
Updated attrs.
Updated attrs.
Merge branch 'develop' into release-support
Updated attrs.
Merge branch 'release-support' into release

Conflicts:
	artifacts/ui-0.1.aar