Add unite config (just in case anyone wants to enable unite in the bundlesVimRc)
Add unite config (just in case anyone wants to enable unite in the bundlesVimRc)

Summary:Config for unit grepping.

Test Plan:

Reviewers:

CC:

jordwalke/VimBox,tmsh/VimBox,tmsh/VimBox,wookiehangover/VimBox,wookiehangover/VimBox,jordwalke/VimBox,subho007/VimBox,subho007/VimBox