queuejs needed also in mobile version for forums
forums: always include bbcode and dyncat code (less than 3k) so that we have always the same js file in forums, thus allowing better caching
don't fail when no previous CSS files are present (typically on 1st build)
image insertion: bugfix + do not use generic ids
Merge branch 'master' of https://github.com/c2corg/camptocamp.org