New interface for bisection
Updated tests
Merge remote-tracking branch 'upstream/master'

Conflicts:
	modules/partitioning-impl/src/main/java/org/clueminer/partitioning/impl/KernighanLin.java
	modules/partitioning-impl/src/test/java/org/clueminer/partitioning/impl/KernighanLinTest.java
	modules/partitioning-impl/src/test/java/org/clueminer/partitioning/impl/P2PPartitioningTest.java
Fixed iris tests
Merge pull request #1 from tomasbruna/master

interface for bisection