corrections

correction to DB
leah's figures

some preliminary figures
pdbs and overlays
sectorsOverlay, Enrichment, readme
other small changes
Merge branch 'master' of https://github.com/mfincker/protein_coevolution

Conflicts:
	MembraneProteins/blast2msa_maeva.m
Merge branch 'master' of https://github.com/mfincker/protein_coevolution