Add un-indexing call to webhook that nudges oti.
Cleanup of webhook calls, added HTML mini-doc.
Merge branch 'master' into nudge-oti-index
Merge branch 'master' into nudge-oti-index
Add diagnostic output to oti-nudge HTML
Merge pull request #79 from OpenTreeOfLife/nudge-oti-index

Adding study removal (and mini-documentation) to oti webhook