Merge branch 'master' into vanity-pages
search - fixes for #422 various paging bugs
registration - add missing accounts template

this is required when email verification is forced. earlier
testing did not consider this settings
bug fix - add back decorator lost in merge
activity feeds - fix comment activity template bug

ignore any comment activity if the commented on object
no longer exists. add tests, notes. minor cleanup.
registration - use account setting for link

use the setting from the accounts app instead of the older
settings. adjust context processor to add this
storyteller/profile - minor link href/title change
fixes #450 - metadata fixes
WIP - link editing
fix #468 - notification settings don't stick
Fix a broken link to the GeoExt client css file
WIP
Enable sorting by date_joined in UserAdmin (closes #453)
Add a new 'reflections' page to mimic the how to page. Adds flatblocks
Initial add of django-announcements
finishing up - squash me
Merge pull request #478 from jj0hns0n/issue-453

Enable sorting by date_joined in UserAdmin (closes #453)
Merge remote-tracking branch 'jj0hns0n/issue-459'
announcements - move to top, reorg code, add link

follow up to a41aa015e
add order field to Link to support sorting

refs #455 and will be used by vanity-pages, too