[bp/r52978][FIX] foums: Strip out previous reply links in outgoing emails

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/12.x@52983 b456876b-0849-0410-b77d-98878d47e9d5
[bp/r52979][ENH] foums: Add an optional way of stripping wiki markup from outgoing emails for added legibility

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/12.x@52984 b456876b-0849-0410-b77d-98878d47e9d5
[bp/r52980][FIX] forums: Use correct toolbar for forum replies - looks like all other "comment" areas now use templates/comment/post.tpl 
[bp/r52981][FIX] forums: WYSIWYG only works properly in forums if using wysiwyg_htmltowiki (wiki mode), so check for that on the textarea and show a warning on the admin page if using html mode

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/12.x@52985 b456876b-0849-0410-b77d-98878d47e9d5