Updated maven push script

Updated libs versions. Fixed issue with onClick on Android 4.2.2.

Updated readme

Switched from mavenCentral to jcenter.

Version 1.2.1 released

Added getPosition() convenience method

Updating tools versions

Allow original view to not have parent when switching views (can happen in list views).

Merge pull request #54 from xabixa/scheduled_views_fix

Check if scheduled views parent are not null

Version 1.2.0 released

Updated libs versions

Added Glide helper

Cleanup code comments

Fixed bug when cover view is clipped if bigger then half of details view