Smarty: IncludeFile: Check if file is url before including.
Merge branch 'feature/smarty-include-file' into stage

* feature/smarty-include-file:
  Smarty: IncludeFile: Check if file is url before including.
  Smarty: IncludeFile: Change header and check if file exists before including.
  Smarty: Add include file template to allow html files to be inserted into tpl doc.
Merge branch 'stage' of git://github.com/vanilla/vanilla into stage

* 'stage' of git://github.com/vanilla/vanilla:
  Make format checking case-insensitive.
  Bump version to bust cache.
  Set context to null before using
  Convert tabs to spaces in GDN_Upload
  Make checks for urls more explicit so as not to catch custom scheme urls.
  Add support for file upload schemes.
  Fix some double translations.
  A little less code
  parse_url  may return false