add new endgame universal group message logic in prep for 3M
Merge pull request #128 from tongxiang/dev

add new endgame universal group message logic (SMS-60)
SMS-64 Using methods from userMessageHelpers in SGCompetitveStoryController and tests
Merge pull request #127 from jonuy/sms-64

Using methods from userMessageHelpers in SGCompetitveStoryController and tests