Image preview fix
Merge pull request #78 from border-radius/fix

Image preview fix
Add ability to use different identicon service
Fix focused label-reset

(Middle-click on post-id, comment-id.)
Ability to use custom thumbify service

Also use uglyhx by default and apply some markup fixes.
Mention https meow version in README
s/http/https in other places as well
Simplify sample nginx config
Fix tests
Fix preview styles
Small README fixes
Typo
s/bnw.im/BnW/
Use backend avatars
Merge remote-tracking branch 'upstream/master'