refactored user model (using scope instead of class methods) + rspec tests
for daily, monthly, yearly activities

traslation popup ignore user => /stream

reshare mobile doesnt show the original author - absolute_root - Fix: #3368 [ci skip]

images disappeared user profiles in the publication (/post/) for not having class in css

WIP backbone-ify publisher

... publisher is embedded into something, that has its own close button

should probably rather be backbone-subviews ... ?

REDISTOGO_URL is now deprecated in favor of REDIS_URL which is supported by the redis gem too.

css modification on the number of characters twiter, facebook and tumblr...