recovery: Add a proper CleanSpec.mk

 * Clean all the stuff that conflicts with AOSP recovery.

Change-Id: I175329c446a014c451f4c0fc5a9a4472941afc10
recovery: Clean ALL the things

 * We need to clean everything, otherwise nasty things happen when
   switching to alternate recovery module.

Change-Id: I9ea88179f5329112c587b649328c1c83df0bd5d9
Quickly install from last install path

This patch stores the last path a zip was installed
from and adds a menu option to jump there quickly
when installing new zips.

Patchset 1) initial commit
Patchset 2) remove un-need call to dirname()
            increase install_menu_items[] size
Patchset 3) removed use of stat
            more install_menu_items[] changes
Patchset 4) removed unused variable info
Patchset 5) removed unused variables
            general clean up

Change-Id: I02d2fde26b375fad36dbab50ec2a8b8a52afc003
clean up reboot to main system and remove old useless variables

Change-Id: Idf8cda0639e3fa5e6073b196a85899c57ca18e9b