Add vim-fugitive bundle
Update gist-vim
Add webapi-vim bundle
Add vim-projectionist

Conflicts:
	.gitmodules
Remove Linux-related files
More mac-related changes

- change dircolors check
- rearrange PATH assignments
- remove Library check for PATH
- remove google python app engine check for PATH
- remove GOROOT assignment
- change bash_completion path
Set full path to git editor, ignore .DS_Store