Fixed IE8 browser compatibility issue. Fixed issue would T_DOUBLE_COLON/T_PAAMAYIM_NEKUDOTAYIM static function calls. Added route name to results index on admin.

git-svn-id: https://plugins.svn.wordpress.org/wordpress-simple-survey/trunk@875654 b8457f37-d9ea-0310-8a92-e5e31aec5664