Update runtime files. Add vroom file support.

runtime/ftplugin/vroom.vim

@@ -0,0 +1,35 @@
+" Vim filetype plugin file
+" Language:	Vroom (vim testing and executable documentation)
+" Maintainer:	David Barnett (https://github.com/google/vim-ft.vroom)
+" Last Change:	2014 Jul 23
+
+if exists('b:did_ftplugin')
+  finish
+endif
+let b:did_ftplugin = 1
+
+let s:cpo_save = &cpo
+set cpo-=C
+
+
+let b:undo_ftplugin = 'setlocal formatoptions< shiftwidth< softtabstop<' .
+    \ ' expandtab< iskeyword< comments< commentstring<'
+
+setlocal formatoptions-=t
+
+" The vroom interpreter doesn't accept anything but 2-space indent.
+setlocal shiftwidth=2
+setlocal softtabstop=2
+setlocal expandtab
+
+" To allow tag lookup and autocomplete for whole autoload functions, '#' must be
+" a keyword character. This also conforms to the behavior of ftplugin/vim.vim.
+setlocal iskeyword+=#
+
+" Vroom files have no comments (text is inert documentation unless indented).
+setlocal comments=
+setlocal commentstring=
+
+
+let &cpo = s:cpo_save
+unlet s:cpo_save