add utilityFunctions file for functions not specific to a game object or module
move clone and arrayUnique functions to utility functions
move (Fisher-Yates) shuffle from blocks.js to utility functions
remove original boggle algorithm from files, now replaced by later, multi-word boggle word finder
Merge pull request #65 from alanflorendo/reorg_js_code

Reorg js code
remove original boggle solution from application.js, file was previously removed