Added vim-commentary and updarted the plugins.

commentary:
Comment stuff out.  Use `gcc` to comment out a line (takes a count),
`gc` to comment out the target of a motion (for example, `gcap` to
comment out a paragraph), and `gc` in visual mode to comment out the
selection.  That's it.

sources_non_forked/vim-airline/autoload/airline/extensions/branch.vim

@@ -55,7 +55,7 @@ endfunction
 function! s:check_in_path()
   if !exists('b:airline_branch_path')
     let root = get(b:, 'git_dir', get(b:, 'mercurial_dir', ''))
-    let bufferpath = resolve(fnamemodify(expand('%'), ':p:h'))
+    let bufferpath = resolve(fnamemodify(expand('%'), ':p'))
 
     if !filereadable(root) "not a file
       " if .git is a directory, it's the old submodule format