Lockscreen Notifications

My try on making notifications easily accessable from lockscreen.
Credits to ChameleonOS, I got the notification listener permission from their ActiveDisplay implementation.
http://www.youtube.com/watch?v=4513EMUehQ8
THIS IS STILL WORK IN PROGRESS, EXPECT SOME BUGS!
Merge branch 'kitkat-remix' of github.com:AOSPAL/android_frameworks_base into kitkat-remix