GIRAPH-797
GIRAPH-798: Upgrade Giraph to Java7 and fix all dependencies
GIRAPH-798: Upgrade Giraph to Java7 and fix all dependencies
Merge remote-tracking branch 'upstream/trunk' into trunk
Merge branch 'trunk' into GIRAPH-KIBBLE

Conflicts:
	giraph-rexster/pom.xml
fixed pom files finally; problems with the tests