fixes bug lasso
Merge branch 'interface' into engine
remove junk file
Merge branch 'PDP' of https://github.com/renoust/TulipPosy into PDP
New Toggle Selection feature
Added selection source and target in each view
Added MDS layout
+depency to numpy and scikit-learn
Merge branch 'PDP' of https://github.com/renoust/TulipPosy into PDP
Merge branch 'PDP' into interface

Conflicts:
	d3/Client.js
	d3/TulipPosy.js