Closes #2887; Support for GET method in @integrations (#2932)

Author: rodrigok

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

@@ -246,8 +246,8 @@ RocketChat.API.v1.addRoute 'integrations.remove', authRequired: true,
 		return removeIntegration @bodyParams, @user
 
 
-Api.addRoute ':integrationId/:userId/:token', authRequired: true, {post: executeIntegrationRest}
-Api.addRoute ':integrationId/:token', authRequired: true, {post: executeIntegrationRest}
+Api.addRoute ':integrationId/:userId/:token', authRequired: true, {post: executeIntegrationRest, get: executeIntegrationRest}
+Api.addRoute ':integrationId/:token', authRequired: true, {post: executeIntegrationRest, get: executeIntegrationRest}
 
 Api.addRoute 'sample/:integrationId/:userId/:token', authRequired: true, {get: integrationSampleRest}
 Api.addRoute 'sample/:integrationId/:token', authRequired: true, {get: integrationSampleRest}