Fix problem with community imports

There was a problem where importing from multiple communities into the
same account causing weird behavior. This fixes it.
Bug 4953 - plain text notification of birthday should include link to journal, link to send PM
http://bugs.dwscoalition.org/show_bug.cgi?id=4953
-- Add link to journal and link to PM to email and inbox notifs
Change 'hg.dwscoalition.org' links to DW's GitHub.
(Bug 3251) Use the display name in the lostinfo email

This provides meaningful information for both personal users and
identity users.
(Bug 4021) Make sure secimg shows up even when location isn't linked
Bug 4973 - Add "view my entries in this community" to post-entry-creation page for communities
http://bugs.dwscoalition.org/show_bug.cgi?id=4973
-- Add link to ?poster= on community update success page (Beta only)
(Bug 4423) Expand existing polls in preview
Amend prev chg -- don't override translation str
(Bug 5012) Fallback to empty array ref
Merge pull request #348 from afuna/array-error-bug5012

(Bug 5012) Fallback to empty array ref
Merge pull request #343 from afuna/poll-preview-edit-bug4423

(Bug 4423) Expand existing polls in preview
Merge pull request #342 from afuna/profile-states-etc-bug4021

(Bug 4021) Make sure secimg shows up even when location isn't linked
Merge pull request #341 from afuna/lost-info-openid-bug3251

(Bug 3251) Use the display name in the lostinfo email
Merge pull request #339 from rickscott/bug5003-remove-hg-links

Bug 5003 - Remove all public-facing refs to hg.dreamwidth.org
Merge pull request #333 from ninetyd/bug4953/bday_notif_links

Bug 4953 - plain text notification of birthday should include link to jo...
Bug 4973 - Add "view my entries in this community" to post-entry-creation page for communities
http://bugs.dwscoalition.org/show_bug.cgi?id=4973
-- Add link to ?poster= on community update success page (Beta only)
(Bug 3117) "0" now works as a keyword if set for an existing userpic,
but doesn't yet work for a new userpic.
Bug 3117 - 0 can also be set as a keyword on icon upload.
(Bug 3117) Now works for multiple keywords.  Also changed the use of map to be
more perlish.
Merge pull request #332 from ninetyd/bug4973/post_success_link

Bug 4973 - Add "view my entries in this community" to post-entry-creatio...