function capitalizeHandler is doing wrong when use GoolgeUniversal

old capitalizehandler will set 'GoogleUniversal' to 'Googleuniversal' which could not be found as the correct event handler is 'AngularyticsGoogleUniversalHandler'.

Actually I think we have no need the helper(capitalize) here, just leave it to the user
rebuild
Merge pull request #5 from darkdarkfruit/master

too agressive capitalize