Merge pull request #2432 from RocketChat/improvements/webhook-sripting

i18n/en.i18n.json

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

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

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

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

packages/rocketchat-integrations/package.js

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

packages/rocketchat-integrations/server/logger.js

.../server/methods/incoming/updateIncomingIntegration.coffee

.../server/methods/outgoing/updateOutgoingIntegration.coffee

...s/rocketchat-integrations/server/processWebhookMessage.js

packages/rocketchat-integrations/server/triggers.coffee

packages/rocketchat-ui/lib/chatMessages.coffee