Merge tag '0.4.2' into hadoop2

Faunus 0.4.2

Conflicts:
	pom.xml
Restore titan-hbase input/output format support
Re-enable many of the FaunusCompiler tests
Convert hadoop-client version into a property

Cloudera CDH 4.4 is only compatible with hadoop-client version
2.0.0-alpha. By turning the version into a property, it can
be overridden on the commandline by running:

% mvn install -Dhadoop.version=2.0.0-alpha