Merge pull request #1827 from RocketChat/improvements/zapier

.meteor/versions

i18n/en.i18n.json

...t-oauth2-server-config/admin/client/views/oauthApp.coffee

...hat-oauth2-server-config/admin/client/views/oauthApp.html

...th2-server-config/admin/server/methods/addOAuthApp.coffee

...-server-config/admin/server/methods/updateOAuthApp.coffee

...oauth2-server-config/oauth/server/default-services.coffee

...at-oauth2-server-config/oauth/server/oauth2-server.coffee

packages/rocketchat-oauth2-server-config/package.js