rename fieldset-accordion-group template to use _ instead of hyphen
Add HiddenFieldWithErrors as crispy field object
events field should be a HiddenFieldWithErrors in reminders form
make BootstrapMultiField actually render errors
Merge branch 'master' of github.com:/dimagi/commcare-hq into crispy-forms-additions
Merge pull request #1444 from dimagi/crispy-forms-additions

Crispy forms additions and fixes