add KEGG and reactome links.  need to update to only display when appropriate
add KEGG and reactome links.  need to update to only display when appropriate


Former-commit-id: 46a2815c1d73f19ff8836b17382b682d0f662f2b
julie-sullivan/phytomine,julie-sullivan/phytomine,julie-sullivan/phytomine,julie-sullivan/phytomine,julie-sullivan/phytomine,julie-sullivan/phytomine,julie-sullivan/phytomine