Added undo icon for xxhdpi
Fixed wrong colored ldpi icon
Updated build files
Fix #17. New Toast style on API19+
Prepared v0.2.0
Externalized the y-offset of undo popup to a dimensions resource
Solution for undo popup window leak issue
Fix #29. Make touch slop configurable
Fix #28. Add elv-prefix to all resources
Changed update notice
Fixed README format
Prepared v0.3.0
Merge pull request #27 from sfarooq/yoffset

Externalized the y-offset of undo popup to a dimensions resource
Renamed resource and merged dimens files
Prepared v0.3.1
Added "swipe-direction callback", to differentiate the permitted swiping directions on a per item basis.