started picker classes, squash future commits
work in progress squash when pickers are done
more picker work, squash these together and test and finish
even more picker work to squash
more picker changes to merge in
definitions dropdown now works squash and test
might need to undo this one
still working on the intervention pickers, and still need to squash this
another thing to squash later
more pintervention picker work
successful creation of custom and noncustom seems to be working again
invalid custom and regular interventions seem to be working now   I think it is time to test, squash and merge now!
working on picker testing and whatnot more to squash