[IMP] website_forum: limit by karma the creation of new tag
[FIX] website_forum: add fake tour for people waiting the tour. To remove in master. Without it, localstorage loop to search this unexisting tour after the install...
[FIX] website_forum: fix retrocompatibility for tags. Q was already passed via texttext. Now, we filter tags by default with q also for texttext tag. We use t to find the current tag library.