Enhance job ui in spark ui system with adding pool information
refactor job ui with pool information
refactor codes less than 100 character per line
Merge branch 'master' into Pool_UI

Conflicts:
	core/src/main/scala/spark/SparkContext.scala
	core/src/main/scala/spark/scheduler/DAGScheduler.scala
	core/src/main/scala/spark/scheduler/SparkListener.scala
	core/src/main/scala/spark/scheduler/cluster/ClusterTaskSetManager.scala
	core/src/main/scala/spark/scheduler/cluster/TaskSetManager.scala
	core/src/main/scala/spark/scheduler/local/LocalTaskSetManager.scala
	core/src/main/scala/spark/ui/jobs/IndexPage.scala
	core/src/main/scala/spark/ui/jobs/JobProgressUI.scala
change function name "setName" to "setProperties" as "setName" is also member of Thread class
fix bug of spark "SubmitStage" listener as unit test error
Merge pull request #695 from xiajunluan/pool_ui

Enhance job ui in spark ui system with adding pool information