trying to keep clean up to upstream master
Merge remote-tracking branch 'upstream/master'
initial add of pubchem parsers
corrected msg for downloading bioactivity
process taxid properly
Merge remote branch 'origin/master'
removed old colde
fixed go annotation
Merge remote-tracking branch 'upstream/master'
code cleanup fixed bioactivity directory removal after processing
version snapshot of working pubchem

This is version 0.1 of pubchem parser that can be merged with the
bio2rdf master branch
Merge branch 'pubchem'
fixed foreach bug in substance record parsing
Merge branch 'pubchem'
added ref from substance to compounds
Merge remote-tracking branch 'upstream/master'
copied in hgnc folder cause it wasn't being pulled from upstream for some reason
fixed references from substances to compounds
fixed issue with linking of substances to compounds
Merge pull request #148 from dklassen/pubchem

fixed issue with linking of substances to compounds