Setup Spark source code environment

1. Install Java and set JAVA_HOME

2. Install Eclipse Juno Java IDE, Scala plugin and Scala Test

3. Download spark1.0.0

4. Generate a workspace for eclipse

[shaochen@linux spark-1.0.0]$ export http_proxy=proxy01.cd.intel.com:911
[shaochen@linux spark-1.0.0]$ sbt/sbt -Dhttp.proxyHost=proxy01.cd.intel.com -Dhttp.proxyPort=911 eclipse

5.Import the spark/core project