Merge branch 'develop' into livechat-popout

i18n/en.i18n.json

...ketchat-integrations/client/stylesheets/integrations.less

...hat-integrations/client/views/integrationsIncoming.coffee

...tchat-integrations/client/views/integrationsIncoming.html

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

...chat-integrations/server/methods/updateIntegration.coffee

packages/rocketchat-lib/server/functions/sendMessage.coffee

...ages/rocketchat-lib/server/methods/addOAuthService.coffee

packages/rocketchat-livechat/app/.meteor/packages

packages/rocketchat-livechat/app/.meteor/versions

...ages/rocketchat-livechat/app/client/stylesheets/main.less

packages/rocketchat-livechat/app/client/views/messages.html

packages/rocketchat-livechat/app/client/views/messages.js

...ages/rocketchat-livechat/app/client/views/register.coffee

packages/rocketchat-livechat/app/client/views/register.html

packages/rocketchat-livechat/app/client/views/room.html

packages/rocketchat-livechat/app/client/views/room.js

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

...ages/rocketchat-livechat/client/lib/LivechatDepartment.js

packages/rocketchat-livechat/client/route.js