1.Upgrade buildToolsVersion.
2.Bug fix: enable window transparent when scrollToFinishActivity() invoked.
Update android-plugin version.
change
mHelper.onActivtyCreate();
to:
mHelper.onActivityCreate();
Merge pull request #42 from cundong/master

found a syntax error
Set max velocity of swipe animation, ensure smooth scroll.
Not to invoke convertActivityFromTranslucent when starting to scroll.