Performance: reduce max length post model for testing purpose
Fix email_preview AJAX call to use Discourse.ajax
break cache of fonts
message bus and vestal versions update
auto close is messed up in category edit, remove for now
skip validations for Spam Rules when needed
bug: if status changes always attempt to update the feature topics for the category right away
Fixed broken links in Digest email

Based on @eviltrout's fix from 7a60eacca95f7e036bb83ea512cec7225dc73c2c.
Merge pull request #1711 from kohenkatz/bug/digest_email_links_broken

Fixed broken links in HTML version of Digest email
Merge pull request #1710 from benjaminbrent/master

Fix email_preview AJAX call to use Discourse.ajax
add wrapper class for lightboxes
update magnific popup to latest (v. 0.9.9)
add lightbox extra-zoom on click
Missing # in email colors
Fix autoclose form in category modal
Upgrade Ember.js, fix swallowing of template errors, report unresolved promises in development mode.
Android 2.2 and 2.3: show warning that the browser is not supported
OOPS: Commented out the wrong line
FIX: Don't give weird progress numbers when there are deleted posts.
Merge pull request #1705 from albandiguer/tests_performance

Test performance: define a lower post max length