Update vim conf.

vim/install

@@ -0,0 +1,11 @@
+#!/usr/bin/env bash
+
+echo "Updating/cleaning Vim plugins:"
+
+# Thanks for greywh in #vim for this tip
+vim -E -s <<-EOF
+    :source ~/.vimrc
+    :PlugInstall
+    :PlugClean
+    :qa
+EOF

vim/vimrc

@@ -52,9 +52,11 @@ cnoremap w!! w !sudo tee > /dev/null %
 "    \_/  |___|_|  |_| |_|   |_____\___/ \____|
 "
 """""""""""""""""""""""""""""""""""""""""""""""
-" Load vim-plug
+" Install vim-plug if we don't already have it
-if empty(glob("./vim/autoload/plug.vim"))
+if empty(glob('~/.vim/autoload/plug.vim'))
-    execute '!curl -fLo ./vim/autoload/plug.vim https://raw.github.com/junegunn/vim-plug/master/plug.vim'
+  silent !curl -fLo ~/.vim/autoload/plug.vim --create-dirs
+    \ https://raw.githubusercontent.com/junegunn/vim-plug/master/plug.vim
+  autocmd VimEnter * PlugInstall --sync | source ~/.vimrc
 endif
 
 " Specify a directory for plugins