Release version 1.1.7

Release version 1.1.7

Add internal privilege for app debugging
Add core privileges
Add check if privileges were properly dropped
Threads security context synchronization
Added parameter mode and made more generic getDirContents function
Prepare setup_smack client function for running without CAP_MAC_ADMIN
Fix installation user mangling
Disable ASKUSER policy by default
Fix policy access control for accessing another user's policy
Add proper policy setup for privacy-related privileges
Fix doxygen comments

Change-Id: I72faf5a7c10fe28cde0e6ed22bb8fe7c82189109