Defer tooltip creation to speed up creation of gantt chart
Clean up, load real data, resize fragment vis depending on number of workers
Use spaces consistently
Clean up network vis, add summary
Smaller circle with tooltip
Fix the problem where the number of workers is not determined correctly, fix axis in network vis
Clean up graph
Use pixels in graph, implement zooming
Add a nice zoom out button to fragment chart
Remove labels from fragments
Better handling of enabling/ disabling interaction with graph
Conflicts:
	appengine/js/demo1.js
	appengine/js/graph.js
Refactor graph and make sure we see the fragment label when not expanded
Conflicts:
	appengine/js/graph.js
Add missing query plan.
Merge remote-tracking branch 'origin/master' into viz-improvements

Conflicts:
	appengine/js/graph.js
Merge pull request #54 from uwescience/viz-improvements

More improvements for viz