Ensure that the comment preview form (which gets used when an
invalid comment is entered) looks more like the normal comment
submission form, in terms of what fields are shown. (Fix for
http://aptivate.kanbantool.com/boards/5986-econsensus#tasks-1222983)
Merge pull request #141 from rdn32/1222983_invalid_comment

Make the comment preview form more like the regular comment form