SHARK-138: JoinOperator outputs result of standard objects.
Add a test case for SHARK-138.
Merge branch 'master' of github.com:sun-rui/shark

Conflicts:
	src/main/scala/shark/execution/JoinOperator.scala
	src/test/scala/shark/SQLSuite.scala
Remove README dependency on JDK7
Merge pull request #138 from kayousterhout/readme

Remove README dependency on JDK7
Exclude netty from Hadoop dependency
Throw exception if Hive thinks it's running in local mode
Set the RDD name in Spark when creating an RDD-backed table.
Merge pull request #141 from pwendell/table-names

Set the RDD name in Spark when creating an RDD-backed table
Merge pull request #139 from pwendell/netty

Exclude netty from Hadoop dependency
Merge pull request #137 from rxin/join

Bringing pull request #95 up to the master branch
Simplifying  test
Merge pull request #140 from pwendell/exception

Throw exception if Hive thinks it's running in local mode