Merge remote-tracking branch 'origin/develop' into release-candidate

.circleci/config.yml

packages/rocketchat-mentions/Mentions.js

...ages/rocketchat-theme/client/imports/components/table.css

packages/rocketchat-theme/client/imports/general/base.css

...ages/rocketchat-theme/client/imports/general/base_old.css

packages/rocketchat-ui/client/components/table.js

packages/rocketchat-ui/client/views/app/directory.html

packages/rocketchat-ui/client/views/app/directory.js

server/methods/browseChannels.js