Updated vim plugins

sources_non_forked/vim-go/autoload/go/keyify.vim

@@ -1,3 +1,7 @@
+" don't spam the user when Vim is started in Vi compatibility mode
+let s:cpo_save = &cpo
+set cpo&vim
+
 function! go#keyify#Keyify()
   " Needs: https://github.com/dominikh/go-tools/pull/272
   "\ '-tags', go#config#BuildTags(),
@@ -53,4 +57,8 @@ function! s:chomp(string)
     return substitute(a:string, '\n\+$', '', '')
 endfunction
 
+" restore Vi compatibility settings
+let &cpo = s:cpo_save
+unlet s:cpo_save
+
 " vim: sw=2 ts=2 et