Changed projrect target to 4.4 (API 19).
Added android-support-library and nineoldandroids.
Updated properties.
Updated gradle config.
gradle-build tools version
fixed bugs with touch state not cleaning when leaving and resuming activity
Merge branch 'hitask-test' into hitask
Fixed issue: prevent NullPointerException at openAnimate and closeAnimate methods.
Merge remote-tracking branch 'hitask/hitask'