Added fixes to ensure mandatory questions didn't muck up when the last question of the survey, or the first question of a group with a group description. Also removed <b> from multiple option with comments titles.

git-svn-id: file:///Users/Shitiz/Downloads/lssvn/trunk/unstable@188 b72ed6b6-b9f8-46b5-92b4-906544132732