Remove now dead code inside of docs

Report compressed bytes read when calculating TaskMetrics

Use new Configuration() instead of slower new JobConf() in SerializableWritable

Refactor SGD options into a new class.

Fixed path to JavaALS.java and JavaKMeans.java, fixed hadoop2-yarn profi...

JobConf's constructor loads default config files in some verisons of
Hadoop, which is quite slow, and we only need the Configuration object
to pass the correct ClassLoader.

Adding Scala version of PageRank example

Fix bug reported in PR 791 : a race condition in ConnectionManager and Connection

Conflicts:
	core/src/main/scala/spark/ui/jobs/IndexPage.scala
	core/src/main/scala/spark/ui/jobs/StagePage.scala

expose HDFS file system stats via Executor metrics

Pull HBASE_VERSION in the head of sbt build

Java fixes, tests and examples for ALS, KMeans

This commit fixes issues where SparkListeners that take a while to
process events slow the DAGScheduler.

This commit also fixes a bug in the UI where if a user goes to a
web page of a stage that does not exist, they can create a memory
leak (granted, this is not an issue at small scale -- probably only
an issue if someone actively tried to DOS the UI).

Remove extra synchronization in ResultTask

Log the launch command for Spark daemons

For standalone mode, add worker local env setting of SPARK_JAVA_OPTS as ...

Signed-off-by: shane-huang <shengsheng.huang@intel.com>

Also remove java-specific constructor for LabeledPoint.

The scala constructor works for native type java types. Modify examples
to match this.

Update to Chill 0.3.1

Bootstrap re-design