Clean
Merge branch 'master' of https://github.com/tpoisot/ms_neutral_theory into tpoisot-master

Conflicts:
	codeR/Figure1.pdf
	codeR/Figure2.pdf
	codeR/Figure3.pdf
	codeR/simulations.R
	codeR/spatial_graphs.R
	ms-blx.bib
	ms.aux
	ms.log
	ms.pdf
	ms.tex
Phil's section on spatial graphs
Minor edits
Merge pull request #2 from DominiqueGravel/master

Dom's edits