did away with auto_rebase
removed sidebarenhancements from subl package list (dead link)
added Emmet to list of Sublime packages
Merge pull request #1 from vanderhoop/mac_os

Removes autorebase from git config. 
Removes sidebarenhancements until Sublime Text 3
Adds emeet to packages

I think we should comment the Package Control settings with one liners about what each package does.