Update vim plugins

vim/autoload/plug.vim

@@ -605,7 +605,7 @@ function! plug#helptags()
     return s:err('plug#begin was not called')
   endif
   for spec in values(g:plugs)
-    let docd = join([spec.dir, 'doc'], '/')
+    let docd = join([s:rtp(spec), 'doc'], '/')
     if isdirectory(docd)
       silent! execute 'helptags' s:esc(docd)
     endif
@@ -2406,7 +2406,7 @@ function! s:diff()
     call s:append_ul(2, origin ? 'Pending updates:' : 'Last update:')
     for [k, v] in plugs
       let range = origin ? '..origin/'.v.branch : 'HEAD@{1}..'
-      let diff = s:system_chomp('git log --graph --color=never --pretty=format:"%x01%h%x01%d%x01%s%x01%cr" '.s:shellesc(range), v.dir)
+      let diff = s:system_chomp('git log --graph --color=never '.join(map(['--pretty=format:%x01%h%x01%d%x01%s%x01%cr', range], 's:shellesc(v:val)')), v.dir)
       if !empty(diff)
         let ref = has_key(v, 'tag') ? (' (tag: '.v.tag.')') : has_key(v, 'commit') ? (' '.v.commit) : ''
         call append(5, extend(['', '- '.k.':'.ref], map(s:lines(diff), 's:format_git_log(v:val)')))

vim/plug/snapshot.vim

@@ -1,29 +1,29 @@
 " Generated by vim-plug
-" Tue Sep 19 20:27:27 2017
+" Sat Sep 30 12:04:43 2017
 " :source this file in vim to restore the snapshot
 " or execute: vim -S snapshot.vim
 
 silent! let g:plugs['BufOnly.vim'].commit = '43dd923'
 silent! let g:plugs['alchemist.vim'].commit = '6ccfc51'
-silent! let g:plugs['deoplete.nvim'].commit = '821d375'
+silent! let g:plugs['deoplete.nvim'].commit = '1c33e9a'
 silent! let g:plugs['editorconfig-vim'].commit = 'e96ecb8'
 silent! let g:plugs['elm-vim'].commit = 'ae53153'
-silent! let g:plugs['fzf'].commit = '41e0208'
-silent! let g:plugs['neomake'].commit = 'f2bb4ae'
+silent! let g:plugs['fzf'].commit = '077ae51'
+silent! let g:plugs['neomake'].commit = '44a062b'
 silent! let g:plugs['neoterm'].commit = '701c9fb'
 silent! let g:plugs['tabular'].commit = '00e1e7f'
 silent! let g:plugs['ultisnips'].commit = '423f264'
 silent! let g:plugs['vim-abolish'].commit = 'b6a8b49'
-silent! let g:plugs['vim-airline'].commit = 'cfb107c'
+silent! let g:plugs['vim-airline'].commit = '27acd85'
 silent! let g:plugs['vim-commaobject'].commit = '0cb36de'
 silent! let g:plugs['vim-exchange'].commit = '05d82b8'
 silent! let g:plugs['vim-fugitive'].commit = '8f60d1d'
 silent! let g:plugs['vim-gitgutter'].commit = 'dc73a81'
-silent! let g:plugs['vim-polyglot'].commit = '9bfde75'
+silent! let g:plugs['vim-polyglot'].commit = '27903c5'
 silent! let g:plugs['vim-smartinput'].commit = '78ab4b3'
-silent! let g:plugs['vim-snippets'].commit = '2b19cde'
+silent! let g:plugs['vim-snippets'].commit = '0d3ab14'
 silent! let g:plugs['vim-surround'].commit = 'e49d6c2'
-silent! let g:plugs['vim-test'].commit = 'da4a188'
+silent! let g:plugs['vim-test'].commit = 'c60a0e2'
 silent! let g:plugs['vim-unimpaired'].commit = '3a77590'
 
 PlugUpdate!