Revert "aio.c updated to experimental/android-3.14"

This reverts commit 601e92d28d57c9e40845746565e25f2c7f139787.
some misc things
Revert "AIO: don't plug the I/O queue in do_io_submit()"

This reverts commit 6c3dc80b5dd1d3499b5adbb5e4f3115f20219bc3.
Revert "updated to linux 3.6 standards"

This reverts commit fa90b59c18222be5320cb5120cf1c19b9f0d509b.
Revert "aio: wake up waiters when freeing unused kiocbs"

This reverts commit 4d0962904562ba02ff56b079dbc80091d4bc8a95.
Revert "aio: allocate kiocbs in batches"

This reverts commit 45461f6585dbfbacfc43eb7619cc338e4ee91704.
Revert "Backport AIO from Linux 3.6.x"

This reverts commit 9833d3daf9364182474af0032cfe518e263394ec.
Revert "Revert "fs: aio.c: Update to Linux 3.13-rc1""

This reverts commit 28903ec0b2cec2f9a9da7fec0ea6f007d37457f3.

Conflicts:
	fs/aio.c
remove the plug in AIO