add key and game over functionaily to side div
merge master
initial preview iteration - not displaying correctly yet
preview functionailty working, need to fix coloring
update colors for tiles and preview, refactored
Merge branch 'master' of https://github.com/woolly-bear-caterpillars-2014/Tetroggleable into preview
Merge pull request #44 from kabrewer07/preview

Preview functionality complete, colors updated
merge master