Cleanup vendor_psd (2/3)
Update build info
Use "psd_ instead of pa_"
Add support for building flashable kernel zips

Choose device from lunch menu then enter make bootzip, builds flashable boot.img with updated source ramdisk

Change-Id: I9762e522ef85b9a19cb2feba10fd9044e3fd9dbf

Conflicts:
	core/Makefile
Merge remote-tracking branch 'upstream/kitkat-remix' into kitkat-remix

Conflicts:
	core/Makefile
	core/dumpvar.mk