Rename "jobs" to "applications" in the standalone cluster

core/src/main/scala/spark/SparkContext.scala

core/src/main/scala/spark/api/java/JavaSparkContext.scala

core/src/main/scala/spark/api/python/PythonPartitioner.scala

.../src/main/scala/spark/deploy/ApplicationDescription.scala

core/src/main/scala/spark/deploy/DeployMessage.scala

core/src/main/scala/spark/deploy/JsonProtocol.scala

core/src/main/scala/spark/deploy/client/Client.scala

core/src/main/scala/spark/deploy/client/ClientListener.scala

core/src/main/scala/spark/deploy/client/TestClient.scala

.../src/main/scala/spark/deploy/master/ApplicationInfo.scala

...src/main/scala/spark/deploy/master/ApplicationState.scala

core/src/main/scala/spark/deploy/master/ExecutorInfo.scala

core/src/main/scala/spark/deploy/master/Master.scala

core/src/main/scala/spark/deploy/master/MasterWebUI.scala

core/src/main/scala/spark/deploy/master/WorkerInfo.scala

core/src/main/scala/spark/deploy/worker/ExecutorRunner.scala

core/src/main/scala/spark/deploy/worker/Worker.scala

.../src/main/scala/spark/deploy/worker/WorkerArguments.scala

core/src/main/scala/spark/deploy/worker/WorkerWebUI.scala

...spark/scheduler/cluster/SparkDeploySchedulerBackend.scala