Add language-check

This checks grammar in text files.

https://github.com/myint/language-check

syntax_checkers/text/language_check.vim

@@ -0,0 +1,37 @@
+"============================================================================
+"File:        language_check.vim
+"Description: Grammar checker (https://github.com/myint/language-check)
+"Authors:     Steven Myint <git@stevenmyint.com>
+"
+"============================================================================
+
+if exists("g:loaded_syntastic_text_language_check_checker")
+    finish
+endif
+let g:loaded_syntastic_text_language_check_checker = 1
+
+let s:save_cpo = &cpo
+set cpo&vim
+
+function! SyntaxCheckers_text_language_check_GetLocList() dict
+    let makeprg = self.makeprgBuild({})
+
+    let errorformat =
+        \ '%f:%l:%c: %m'
+
+    let loclist = SyntasticMake({
+        \ 'makeprg': makeprg,
+        \ 'errorformat': errorformat})
+
+    return loclist
+endfunction
+
+call g:SyntasticRegistry.CreateAndRegisterChecker({
+    \ 'filetype': 'text',
+    \ 'name': 'language_check',
+    \ 'exec': 'language-check'})
+
+let &cpo = s:save_cpo
+unlet s:save_cpo
+
+" vim: set et sts=4 sw=4: