Rename tabs and pages (No more IndexPage.scala)

Previously there were 7 different IndexPage.scala's in different packages.

Author: andrewor14

core/src/main/scala/org/apache/spark/deploy/history/IndexPage.scala renamed to core/src/main/scala/org/apache/spark/deploy/history/HistoryPage.scala

@@ -24,7 +24,7 @@ import org.apache.spark.ui.JettyUtils._
 import org.apache.spark.ui.env.EnvironmentTab
 import org.apache.spark.ui.exec.ExecutorsTab
 import org.apache.spark.ui.jobs.JobProgressTab
-import org.apache.spark.ui.storage.BlockManagerTab
+import org.apache.spark.ui.storage.StorageTab
 
 /**
  * Top level user interface for Spark.
@@ -55,7 +55,7 @@ private[spark] class SparkUI(
   def initialize() {
     listenerBus.addListener(storageStatusListener)
     attachTab(new JobProgressTab(this))
-    attachTab(new BlockManagerTab(this))
+    attachTab(new StorageTab(this))
     attachTab(new EnvironmentTab(this))
     attachTab(new ExecutorsTab(this))
     attachHandler(createStaticHandler(SparkUI.STATIC_RESOURCE_DIR, "/static"))

core/src/main/scala/org/apache/spark/deploy/master/ui/IndexPage.scala renamed to core/src/main/scala/org/apache/spark/deploy/master/ui/MasterPage.scala

@@ -26,7 +26,7 @@ import org.apache.spark.ui.{WebUIPage, UIUtils}
 import org.apache.spark.util.Utils
 
 /** Page showing storage details for a given RDD */
-private[ui] class RddPage(parent: BlockManagerTab) extends WebUIPage("rdd") {
+private[ui] class RddPage(parent: StorageTab) extends WebUIPage("rdd") {
   private val appName = parent.appName
   private val basePath = parent.basePath
   private val listener = parent.listener

core/src/main/scala/org/apache/spark/deploy/worker/ui/IndexPage.scala renamed to core/src/main/scala/org/apache/spark/deploy/worker/ui/WorkerPage.scala

@@ -26,7 +26,7 @@ import org.apache.spark.ui.{WebUIPage, UIUtils}
 import org.apache.spark.util.Utils
 
 /** Page showing list of RDD's currently stored in the cluster */
-private[ui] class IndexPage(parent: BlockManagerTab) extends WebUIPage("") {
+private[ui] class IndexPage(parent: StorageTab) extends WebUIPage("") {
   private val appName = parent.appName
   private val basePath = parent.basePath
   private val listener = parent.listener

core/src/main/scala/org/apache/spark/ui/SparkUI.scala

@@ -24,10 +24,10 @@ import org.apache.spark.scheduler._
 import org.apache.spark.storage.{RDDInfo, StorageStatusListener, StorageUtils}
 
 /** Web UI showing storage status of all RDD's in the given SparkContext. */
-private[ui] class BlockManagerTab(parent: SparkUI) extends WebUITab(parent, "storage") {
+private[ui] class StorageTab(parent: SparkUI) extends WebUITab(parent, "storage") {
   val appName = parent.appName
   val basePath = parent.basePath
-  val listener = new BlockManagerListener(parent.storageStatusListener)
+  val listener = new StorageListener(parent.storageStatusListener)
 
   attachPage(new IndexPage(this))
   attachPage(new RddPage(this))
@@ -37,7 +37,7 @@ private[ui] class BlockManagerTab(parent: SparkUI) extends WebUITab(parent, "sto
 /**
  * A SparkListener that prepares information to be displayed on the BlockManagerUI
  */
-private[ui] class BlockManagerListener(storageStatusListener: StorageStatusListener)
+private[ui] class StorageListener(storageStatusListener: StorageStatusListener)
   extends SparkListener {
 
   private val _rddInfoMap = mutable.Map[Int, RDDInfo]()