Added check to rte controller so as not to reload tinymce script if it's already loaded (we don't check the CSS, but I figure this is ok) [This is temp bandaid for #U4-4724]
A better test (checks to see if it's even defined)
Merge pull request #356 from mattbrailsford/7.1.2-rtetinymcecheck

Added check to rte controller so as not to reload tinymce script