added legend
Merge branch 'master' of github.com:ChrisJamesC/CSCW-Visualisation
Merge branch 'master' of github.com:ChrisJamesC/CSCW-Visualisation
Merge branch 'master' of github.com:ChrisJamesC/CSCW-Visualisation
repaired stuff
Merge branch 'master' of github.com:ChrisJamesC/CSCW-Visualisation