add multivariate test page
fix minor grunt build related JS issues'
Reset 33 sticks priority to 25

It was 100 for testing, should be 25 reflective of 1 star.  Fixes #213.
Merge pull request #232 from optimizely/dfoxpowell/multivariate-2nd-pr

Dfoxpowell/multivariate 2nd pr
Merged with master.