[dw-free] Closed communities shouldn't have join option on contextual hover popup and navstrip

[afuna]

[commit: http://hg.dwscoalition.org/dw-free/rev/f1c730aaded6]

http://bugs.dwscoalition.org/show_bug.cgi?id=818

Don't show join option for closed communities.

Patch by yvi.

Files modified:

• cgi-bin/weblib.pl
• htdocs/js/contextualhover.js
• htdocs/tools/endpoints/ctxpopup.bml

( Diff: 3 files changed. )