jsgraph updates
Merge branch 'gh-pages' of https://github.com/NPellet/visualizer into gh-pages

Conflicts:
	src/components/jsgraph/.bower.json
	src/components/jsgraph/bower.json
	src/components/jsgraph/dist/jsgraph.min.js
	src/components/jsgraph/src/graph.core.js
	src/components/jsgraph/src/shapes/graph.shape.js
	src/components/jsgraph/src/shapes/graph.shape.line.js
	src/components/jsgraph/src/shapes/graph.shape.peakinterval.js
	src/components/jsgraph/src/shapes/graph.shape.rect.js