Merge branch 'release/0.5.3.0'

.rubocop.yml

CODE_OF_CONDUCT.md

Changelog.md

Gemfile

Gemfile.lock

README.md

app/assets/javascripts/app/app.js

app/assets/javascripts/app/models/post.js

app/assets/javascripts/app/models/stream.js

app/assets/javascripts/app/pages/contacts.js

app/assets/javascripts/app/router.js

app/assets/javascripts/app/views/back_to_top_view.js

app/assets/javascripts/app/views/conversations_form_view.js

app/assets/javascripts/app/views/hovercard_view.js

app/assets/javascripts/app/views/stream_faces_view.js

app/assets/javascripts/app/views/stream_post_views.js

app/assets/javascripts/app/views/tags_view.js

app/assets/javascripts/diaspora.js

app/assets/javascripts/jsxc.js

app/assets/javascripts/mobile/mobile.js