State engine
Merge branch 'engine' into stateEngine
State
creation of different Views
small modification
small modification
Merge branch 'interface' into stateEngine

Conflicts:
	d3/Client.js
	d3/Interaction.js
	d3/Interface.js
	d3/TulipPosy.js
	d3/UpdateViews.js
	d3/View.js
	d3/Visualization.js
	d3/css/style.css
	d3/graphDrawing.js
	d3/index.html
changes messages
Merge branch 'stateEngine' into interface