Revert "Added frontswap_by_Dan"

This reverts commit 709ec9fce65d343c4b0e9599dc5b5466537e3a4a.

Conflicts:
	arch/arm/configs/vigor_aosp_defconfig
defconfig changes
Revert "increase readahead just a bit"

This reverts commit d906e69fb7f02bd47b879b011d21b20c074ddc26.
Revert "msm: idle-v7: Remove redundant cache clean"

This reverts commit 24b5597cf75e8e8864fa4d0078573a11457cc07e.
Revert "optimize checksum routines by ktoonsez"

This reverts commit 3ab8b2e6611997ce5adc7b4125337283f83ab03f.
fever induced stuper fix