use specified name with :BundleInstall

- otherwise it defautls to vim-scripts repos
- closes #69
- TODO: pass options aswell

autoload/vundle/config.vim

@@ -40,6 +40,7 @@ endf
 
 func! s:parse_name(arg)
   let arg = a:arg
+
   if    arg =~? '^\s*\(gh\|github\):\S\+'
   \  || arg =~? '^[a-z0-9][a-z0-9-]*/[^/]\+$'
     let uri = 'https://github.com/'.split(arg, ':')[-1]
@@ -53,7 +54,7 @@ func! s:parse_name(arg)
     let name = arg
     let uri  = 'https://github.com/vim-scripts/'.name.'.git'
   endif
-  return {'name': name, 'uri': uri }
+  return {'name': name, 'uri': uri, 'name_spec': arg }
 endf
 
 func! s:rtp_rm_a()