gitignore

Change-Id: I231026432f935367d83f4e2134c1e790d30c737f
Revert "gitignore"

This reverts commit 69851e16374ffb1ca93c6fb26f5d1decd3a4af73.
Merge remote-tracking branch 'koush/master' into cm-10.2
AsyncSSLSocketWrapper: properly recycle buffers.
ByteBufferList: add option to tweak max size of reclaimed ByteBuffer.

Change-Id: I109b2eb2cedd77c6228ad020260a044edf3e2118