Check and address OBO dashboard results

[pbuttigieg]

See http://obo-dashboard-test.ontodev.com/envo/dashboard.html

We have several issues (most quite readily addressed) to fix.
Some may be false positives, which can be reported back to James Overton et al. here:
OBOFoundry/OBOFoundry.github.io#1076

This will also contribute to OBOFoundry/OBOFoundry.github.io#890