PIE from ParanoidAndroid [2/2]

PS1: Initial cherry-pick
PS2: String fixes
PS3: Switch Dupes to PA_Pie
PS4: more PA_pie's and proper import location
PS5: Even more PA pie's and say which pie is which in settings
PS6: Link strings properly
PS7: Small string nitpick

Change-Id: Ice750a861f8732c94a11b45866c14ebc68147a40
Merge "PIE from ParanoidAndroid [2/2]" into kitkat3