[FIX] website_forum: fixes
    [FIX] website_forum: escape the tags from post at texttext rendering
    [FIX] website_forum: jquery is not already loaded
    [FIX] website_forum: use uid from session because WebsiteForum object has no attribute '_uid'
[FIX] fix bouncing issue in form view (web client)

the buttons edit and create have been ungrouped recently.  As a
side effect (of course), the bouncing effect in form view is broken.
This should hopefully fix the issue without introducing any other
problems :/