Improve  building with maven  docs

     mvn -Dhadoop.version=... -Dsuites=spark.repl.ReplSuite test

to

     mvn -Dhadoop.version=... -Dsuites=org.apache.spark.repl.ReplSuite test

Author: liguoqiang <liguoqiang@rd.tuan800.com>

Closes #70 from witgo/building_with_maven and squashes the following commits:

6ec8a54 [liguoqiang] spark.repl.ReplSuite to org.apache.spark.repl.ReplSuite
SPARK-1184: Update the distribution tar.gz to include spark-assembly jar

See JIRA for details.

Author: Mark Grover <mark@apache.org>

Closes #78 from markgrover/SPARK-1184 and squashes the following commits:

12b78e6 [Mark Grover] SPARK-1184: Update the distribution tar.gz to include spark-assembly jar