Add std_c bundle
Add powerline plugin
Make C syntax higlighting allow C++ comments
Update syntastic reference
Add tags files to gitignore
Add submodule for patched DejaVu fonts
Set Powerline symbols to fancy

Not sure why this needs to be in vimrc,
but it totally fails to work in gvimrc.
Switch guifont to Deja Vu Sans Mono For Powerline
Merge remote-tracking branch 'origin/master' into posix
Fix guifont line for posix