Remove AOKP Permissions Management

Change-Id: I9c5fef8e103cc6437fc921ed341b201e50e9d66f
Remove unused projects

Change-Id: I8ba610270ba55e0e93a5b2bd291fa7d195c59bd5
Use new build-pac.sh script, remove unused pac repo

Change-Id: I897f4402a062db9fc37f3b2bbbf55372d68a54fc
Add pigz repository

 * pigz is an optimized gzip which uses multiple cores
 * We're using pigz for compressed Nandroid support in recovery

Change-Id: I87c5d2f9b67e7104c75460279eb640fdfa99d9b7
Merge upstream