Go from O2 to Ofast
Disable CONFIG_CC_OPTIMIZE_FOR_SIZE
Disable kernel flags

Removed:
CFLAGS_KERNEL = -mtune=cortex-a9 -ftree-vectorize -ffast-math -fsingle-precision-constant
AFLAGS_KERNEL = -mtune=cortex-a9 -ftree-vectorize -ffast-math -fsingle-precision-constant
Update to kernel version 2.7
Revert "Disable kernel flags"

This reverts commit e68ee0123fcad26e64f395e4494da839730fe775.
Revert "Update to kernel version 2.7" - back to 2.6

This reverts commit 19418fb9cd349bfbe003369bd2c6cf1c0e2f9fdb.
Fix GCC 4.7
Better reboot and shutdown
Changed to -Ofast, disabled optimize for size and removed some kernel flags
Bump kernel version to 2.7

Update to compile with 4.7 SaberMod