(bug 4759) all-comments notification fires for non-paid comms

 * Do not fire events that are not available
Merge pull request #459 from rahaeli/bug5114

(bug5114) Load 20 journals so we can be reasonably assured of getting 10...
Merge pull request #461 from anall/feature/bug4759

(bug 4759) all-comments notification fires for non-paid comms
(bug 2062) remove old and unused LJ::ExternalSite module. everything it does is done better
in cgi-bin/DW/External, and the only reason LJ had it in the first place was to specialcase
Vox, which no longer exists.
Merge pull request #462 from rahaeli/bug5144

(bug 5144) Moves canview:styles calls to be siteadmin:styleview instead,...
Merge branch 'develop' of https://github.com/dreamwidth/dw-free into 2062