Add syntax files from upstream vim repository

ftplugin/text.vim

@@ -0,0 +1,21 @@
+if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'vim') == -1
+  
+" Vim filetype plugin
+" Language:		Text
+" Maintainer:		David Barnett <daviebdawg+vim@gmail.com>
+" Last Change:		2014 Jul 09
+
+if exists('b:did_ftplugin')
+  finish
+endif
+let b:did_ftplugin = 1
+
+let b:undo_ftplugin = 'setlocal comments< commentstring<'
+
+" We intentionally don't set formatoptions-=t since text should wrap as text.
+
+" Pseudo comment leaders to indent bulleted lists.
+setlocal comments=fb:-,fb:*
+setlocal commentstring=
+
+endif