add tidy exception for ng-include element

Author: burnettk

plugin/angular.vim

@@ -18,6 +18,9 @@ endif
 let g:syntastic_html_tidy_ignore_errors = g:syntastic_html_tidy_ignore_errors + [
   \   ' proprietary attribute "ng-',
   \   ' proprietary attribute "ui-view',
+  \   '<ng-include> is not recognized!',
+  \   'discarding unexpected <ng-include>',
+  \   'discarding unexpected </ng-include>',
   \   '<div> proprietary attribute "src'
   \ ]