Minor tweaks to importing first posts
Allow the `content_sha1` column of `topic_embed` to be nullable
BUGFIX: reload site settings on rails reload in dev
fixing blockquotes in composer preview
Merge pull request #2221 from awesomerobot/master

fixing blockquotes in composer preview
FIX: broken Pagedown editor for About, Site Content and similar places.
better use secondary text color a few places
Merge pull request #2223 from velesin/about_me_editor_fix

FIX: broken Pagedown editor for About, Site Content and similar places.
*minus #show-topic-admin button z-index by 1 which will be covered by #user-dropdown
*Add 14px width for #topic-admin-menu icon, align the button text
Merge pull request #2224 from fantasticfears/tweak

z-index tweaks for #user-dropdown and align the #topic-admin-menu icon
FIX: Allow expanding posts when anonymous, add specs
FIX: Escape name on activity feed
BUGFIX: check image size before uploading an avatar/background