Release 4.13.1

4.13.1 08/04/2013
* graphic improvements
* code clean-up
* files clean-up
* added "7z.dll" to make the script works without 7zip installed
* "SlimMyCM.cmd" will not delete "Gallery2.apk" anymore (Gallery and
Camera available out-of-the box)
* added placeholders for "7z.exe" "7z.dll" and launcher and superuser
APKs for easier github sync
* "SlimMyGApps.cmd" minor fix (label NoGApps2)