some stuff
undirected and directed extracted from rcc
some stuff
Merge branch 'master' of https://github.com/janwiese/DNA

Conflicts:
	src/dna/metrics/betweenessCentrality/BCDyn.java
	src/dna/metrics/betweenessCentrality/BetweenessCentrality.java
	src/dna/metrics/betweenessCentrality/ShortestPathTreeElement.java
	src/dna/metrics/connectedComponents/CCDirected.java
	src/dna/metrics/connectedComponents/CCDirectedDagger.java
	src/dna/metrics/connectedComponents/CCUndirected.java
	src/dna/metrics/connectedComponents/CCUndirectedDyn.java
	src/dna/metrics/connectedComponents/CCUndirectedDynBatch.java
	src/dna/metrics/connectedComponents/ComponentVertex.java
	src/dna/metrics/richClubConnectivity/RCCFirstKNodes.java
	src/dna/metrics/richClubConnectivity/RCCFirstKNodesComp.java
	src/dna/metrics/richClubConnectivity/RCCFirstKNodesDyn.java
	src/dna/metrics/richClubConnectivity/RCCKNodeInterval.java
	src/dna/metrics/richClubConnectivity/RCCKNodeIntervalComp.java
	src/dna/metrics/richClubConnectivity/RCCKNodeIntervalDyn.java
	src/dna/metrics/richClubConnectivity/RCCOneDegree.java
	src/dna/metrics/richClubConnectivity/RCCOneDegreeComp.java
	src/dna/metrics/richClubConnectivity/RCCOneDegreeDyn.java
	src/dna/metrics/richClubConnectivity/RCCPerDegree.java
	src/dna/metrics/richClubConnectivity/RCCPerDegreeComp.java
	src/dna/metrics/richClubConnectivity/RCCPerDegreeDyn.java