Bump kernel version to 0.516_cwm

Change-Id: I9b3360e85a01c44420980cddd27f04474d3e9374
Revert "Enable ZRAM & Zcache & cleancache"

This reverts commit 39fa1c41a3bf9104c9a598c5e0520c269fc43be3.
Revert "Revert "staging: zram: add per-cpu support to Crypto:"

This reverts commit b9066901d11b20b89abe32257f6fa5d7e2094ef4.
Revert "Revert "zram: num_devices = 4""

This reverts commit 7a5fedddd71003b3d17289ae8a62b223e5eb0c8d.
Revert "LZ4: compression/decompression signedness mismatch (v2)"

This reverts commit 75f713013a5758e1ff9303f2a9a07ec1af1a23cc.
Revert "lib/lz4/lz4_compress: fix macro usage error"

This reverts commit 9e62300fc12146d3457d7e3d3e1da6c29e553ae6.
Revert "crypto: Add lz4 Cryptographic API"

This reverts commit 3cb9917872f8491fe29b97a119374e272034fa79.
Revert "lib: Add lz4 compressor module"

This reverts commit ac5c466019783e17a1a6c5fc8b7e4b9c85c9d9f8.
Revert "arm: Add support for LZ4-compressed kernel"

This reverts commit a1af6c26ae598d53455e16f6fa57e1d970b7c7f4.
Revert "lib: Add support for LZ4-compressed kernel"

This reverts commit cb61029fd12cec9c9f93e95d8c913f2e851f01f5.
Revert "decompressor: Add LZ4 decompressor module"

This reverts commit ebadf4dd8774a0b0a48eca478f5699ead9bf9466.
Revert "updated zram, zcache and zsmalloc from my smdk4412 source"

This reverts commit 00ab1216ecd34d23d884496f145f589fbd36ef98.
Revert "disabled cleancache, frontswap and zcache, does seem to slow down the system"

This reverts commit 4ddef3a166a1bc0bcb08a383f42c3485933fd7b4.
Revert "ashmem: fix deadlock when system is low on memory"

This reverts commit 998a064a96838b91c70312bf0bfaa11eec32a16b.
Revert "missing #ifdef CONFIG_CLEANCACHE from commit 'mm: implement WasActive page flag’"

This reverts commit 07446be6eabc2ec21b0532949bcba675ad4d7bfa.
Revert "mm: implement WasActive page flag (for improving cleancache)"

This reverts commit 28be35a54295eef348a8256bc1032ef954f8ece0.
Revert "staging: zcache: fix length type mismatch"

This reverts commit 3cb2dabde4a2b520d09a55b9e5a7f316c09bf497.
Revert "staging: zcache: avoid AB-BA deadlock condition"

This reverts commit 8e21b7367126b5efba0f19e9d5568aaa607d98b9.
Revert "staging: zcache: crypto API support"

This reverts commit a16b2235882b4a0ea25f16f66fd169a1c08828a5.
Revert "staging: zcache: fix serialization bug in zv stats"

This reverts commit a07c8ed4216fe1bfb0c0a40b79c39202678b515f.