Made some basic NodeChange changes
Merge branch 'development' of
https://github.com/gregorymeyer/JUNGModel.git into developing

Conflicts:
	FirstJUNG/src/analytics/GraphComparison.java
	FirstJUNG/src/analytics/NodeChange.java
	FirstJUNG/tests/analyticsTests/ComparisonOfGraphs.java
NodeChanges with Metrics