Merge pull request #32 from renoust/PDP

Pdp
Merge pull request #40 from renoust/PDP

Pdp
Merge pull request #46 from renoust/PDP

Pdp
Merge pull request #47 from renoust/PDP

port changed
Merge branch 'PDP' into interface
title bar of dialogs:
-new names
-min width
-new backgroung for active view
changes in the css
Merge branch 'PDP' into interface
Minimizing buttons replaced by closing buttons (temporarily) #83
fix small bug (stroke-width of links wasn't restored after a selection)
fixed bug: switch OR/AND for node operators
added:
- A default dataset is opened when you load the page.
- A global menu in the header
Merge branch 'PDP' of https://github.com/renoust/TulipPosy into PDP
Merge branch 'interface' into PDP

Conflicts:
	d3/graphDrawing.js