Added github colors

Change-Id: I7060d2e35017b77d1216e1d0ec01221b57b291a8
Updated vimrc

Change-Id: Ibe084f7bc44a49fa6a16779f5abab1ea09d05aa8
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Change-Id: I1ccffd47816e234be4d43fb3dd483b8202ac61c8