change userHelperFunctions --> smsHelpers, modularize gameMessageHelpers
create gameUtilities.js game utility function
change module.exports into explicit objects
add gameRecordHelpers module, gameDoc update helpers
modularize all endlevel/endgame message logic into gameMessageHelpers.js
modularize wait message functionality
modularize message.endGameFromPlayerExit()
change module.exports structure of gameMessageHelpers for clarity
Merge pull request #340 from tongxiang/monster-controller

SGCompetitiveStoryController refactor: creating 1) gameUtilities.js 2) gameMessageHelpers.js 3) gameRecordHelpers.js