Merge pull request #250 from bgcngm/master

PatchMasterKey: merge from MasterKeyDualFix (now multi-fix)
Improved transparency management
- Wallpaper now correctly scales behind navbar when it has transparency
set. Works for majority of launchers, including Google Experience
Launcher (KitKat)
- Standard background color replaced with BackgroundAlphaColorDrawable
allowing Transparency manager to use transition animations for
Statusbar/Navbar background color
Updated Portuguese (PT and BR) translations