Added ag.vim removed ack

Change-Id: I8cbe705bbcf11df1a685cfdc3dbb9334cd68ec8d
bump

Change-Id: Ifc62d71d6682ceefe3479ac1d903e2c888287f40
remove snipmate

Change-Id: I2666d7cba9905a415d89025725becc2deb0b2955