Add more flexibility to the Survey helper for use with the new Survey types.
This includes using the new SurveyLogic methods from an earlier commit. And passing on the Logic from the view where necessary.
1dc8d7f9458e3edeb8493e98d83bb0d1f679ca18 v0-5-20090604
19e9fdde919eeb9db11c9dd7cd4b35d13c29cf88 v0-5-20090608
96ff51144dca94573a51a07221422e0079c8801e v0-5-20090621
0dee663d6582060a7e152ed19fb8634b945e1770 v0-5-20090629