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

packages/rocketchat-api/server/v1/channels.js

packages/rocketchat-api/server/v1/chat.js

packages/rocketchat-apps/client/admin/appManage.html

packages/rocketchat-apps/client/admin/appManage.js

packages/rocketchat-apps/server/converters/users.js

...etchat-channel-settings/client/views/channelSettings.html

packages/rocketchat-i18n/i18n/en.i18n.json

packages/rocketchat-integrations/server/api/api.js

packages/rocketchat-markdown/parser/original/code.js

packages/rocketchat-reactions/setReaction.js

...etchat-theme/client/imports/components/contextual-bar.css

...ges/rocketchat-theme/client/imports/components/header.css

packages/rocketchat-ui-message/client/popup/messagePopup.js

packages/rocketchat-ui/client/components/header/header.html

tests/end-to-end/api/02-channels.js

tests/end-to-end/api/05-chat.js