The start of a lot of visual fixes and upgrades
For some reason Eclipse did not notice the change to the .classpath
Merge remote-tracking branch 'origin/master'

Conflicts:
	.classpath
	src/edu/cmu/cs/in/hoop/editor/HoopVisualGraph.java
	src/edu/cmu/cs/in/hoop/execute/HoopExecuteInEditor.java
Finally much more finetuning of the interface. You can now double click
a node and the properties panel will open and highlight. That means
we've effectively disabled the default inline editing of cells that
comes with JGraph