Modified for GCC-4.7+ Compiling

Conflicts:
	Makefile
	arch/arm/boot/compressed/Makefile

	modified:   Makefile enable GCC-4.7 building
	modified:   arch/arm/boot/compressed/Makefile enable GCC-4.7 building
	modified:   init/Kconfig enable GCC-4.7 building
updated omni/cm11 ramdisks to current nightlies