Merge pull request #50 from Eye-Static/andy

Major speed improvements and some refactoring
fixed single-letter error
Merge pull request #51 from Eye-Static/zach

fixed single-letter error
changes that will improve the appearence of the board behind the viewport.
Merge branch 'master' of https://github.com/Eye-Static/word_wars
trying a second time
correcting some errors
fixed cross-browser issue, other small tweaks
fixed green border
Merge branch 'master' of https://github.com/Eye-Static/word_wars
Showing a red background on the board
Merge branch 'master' of https://github.com/Eye-Static/word_wars
fix background not stretching
merge commit
Update and rename README.txt to README.md
Update README.md
add back actual scrabble layout, rename Erics scrabble board as biggerScrabble
remove concat because Eric didnt like it
fix overlay not covering everything
fix shuffle error