Move Movable & Resizable overlay to another view class

Also changed Movable.java to accept AeroSnap instance in constructor so
we reuse the existing one
Move Transparency Dialog into a new XML file

also optimized the overlay xml and transparency dialog codes
Add Chinese Traditional Translations

Thanks Pocket Fan
Update Chinese Simplified Translations

by Pocket Fan
Add alternative method to find views with tag

Should fix some problems with gmail
Optimize Tinted TitleBar Codes

- Let “setTitleBar” reuse the views instead of finding them again.
- Add “mOverlay” so we reduce static references.
- Set the background drawable with the helper method in Util.java