cleaned up references
more changes
Fix references
Merge branch 'cameron' into varoquaux
reduced predictive modeling, now working on citations ... agains
Add degree centrality
Merge branch 'cameron' into varoquaux
all citations are now correct
Remove merge mess
Merge branch 'cameron' into varoquaux

Conflicts:
	biblio.bib
	paper.tex
fixed abstract, merge problem, typos, grammer
Small changes
Merge branch 'cameron' into varoquaux

Conflicts:
	paper.tex
Submitted