Lint pass, fixing issues raised by the linter

Hello @dpup, @azulus, 

This is basically a lint pass. Please verify commit
cb4136159c0e43225b496d8642d30a53d4dbde4f, because I could not
reproduce a failure locally.


35a6f37e7c627b682257fb61c8038a60f2e0a008 (2013-05-14 20:28:27 -0700)
Consistent use of quotes

cb4136159c0e43225b496d8642d30a53d4dbde4f (2013-05-14 20:28:26 -0700)
Fixing wrong variable name

dd6e1b3f92cbca7171f493934d0c8eeda33c5cc3 (2013-05-14 20:28:26 -0700)
Removing unused function from matador.js

25bda437bdd778bc2a3592c38a475e051097a926 (2013-05-14 20:28:20 -0700)
Lint pass

f004d38625b77c66a96b01a07edb543851a7fd44 (2013-05-14 19:07:37 -0700)
Updating jshint

R=dpup
R=azulus