Major refactor and visualization update

- Removed Processing dependency;
- Improved visuals;
- Improved set list scalability.
Merge branch 'master' of https://github.com/kdinkla/examine

Conflicts:
	src/main/java/org/cytoscape/examine/internal/ControlPanel.java
	src/main/java/org/cytoscape/examine/internal/data/DataSet.java
Manual merge