Adds jobs endpoint protected by masterKey (#2560)

* Adds jobs endpoint protected by masterKey

* Adds connection timeout for 15 minutes in jobs

* Refactors pushStatusHandler into StatusHandler

* Adds reporting of _JobStatus

* Only accept strings as messages

* Adds test for masterKey basic auth

* Adds CloudCodeRouter for cloud_code endpoint of job status, enable Jobs feature on dashboard

* xit racing test

src/cloud-code/Parse.Cloud.js

@@ -21,6 +21,10 @@ ParseCloud.define = function(functionName, handler, validationHandler) {
   triggers.addFunction(functionName, handler, validationHandler, Parse.applicationId);
 };
 
+ParseCloud.job = function(functionName, handler) {
+  triggers.addJob(functionName, handler, Parse.applicationId);
+};
+
 ParseCloud.beforeSave = function(parseClass, handler) {
   var className = getClassName(parseClass);
   triggers.addTrigger(triggers.Types.beforeSave, className, handler, Parse.applicationId);