got the words to only be chosen if none of the other words' first
letter is the same letter. (somewhat tested but needs to be tested once
words can be typed)
fixed it up a little to make it better.
done with words i think. changed implementation to use a set
pushing stuff
Merge branch 'master' of https://github.com/littlpunk/ZooTypers into littlpunk-master

Conflicts:
	ZooTypers/bin/ZooTypers-git.apk
	ZooTypers/src/com/example/zootypers/SinglePlayer.java
Merge branch 'master' of https://github.com/ZooTypers/ZooTypers into ZooTypers-master

Conflicts:
	ZooTypers/src/com/example/zootypers/SinglePlayer.java
Merge pull request #36 from nhlien93/master

keyboard & highlighting