Added copyleft font for button pictures
Merge branch 'interface' of https://github.com/renoust/TulipPosy into interface

Conflicts:
	d3/style.css
fixing fixing
bug fixed: dismatch brackets
Merge pull request #28 from renoust/interface

Interface
Server side: removed initial random
                           managing all given properties returned to client

Client side: new 'update graph' functionnality to keep one full graph in memory instead of returning partial graphs
Merge pull request #29 from renoust/PDP

Pdp
Merge pull request #30 from renoust/engine

Engine
Merge pull request #31 from renoust/master

Updating
Merge pull request #33 from renoust/engine

Engine