envsetup: Fix installrecovery for new fstab format

Change-Id: I26ab441c28350cce70bb976b249b16c6b83ab8da
build: Cleanup CPU-specific optimizations

 * TARGET_ARCH_CPU_VARIANT was a Linaro thing. Now that Android
   introducted TARGET_CPU_VARIANT, we should use this instead.
 * Added CFLAGS for Krait and Scorpion after the cleanup.

Change-Id: Iafb40ecefa353a1169c22601be4ce80069c3f587
envsetup: Fix giant derp

Change-Id: I490556f18c40c3614e4e554d7db3306a16ff99d8
Prepare upcoming GCC 4.8 release.

o Add -Wno-unused-parameter -Wno-unused-but-set-parameter to suppress
  new warnings.
o Define GCC_COLORS to enable colorful diagnostic messages.

Change-Id: Icbd62300b0e6f39d4e514edec2431a06b4d72421
(cherry picked from internal commit ccd8e6082b5b1e519a75068fa6c887a1a85b53c4)

Conflicts:
	envsetup.sh
Update roomservice to Carbon.
Disable roomservice for now.
Not needed.
Fix Backup ?
Add Infamous CARBON messages