add org.clojure/tools.reader as explicit project dep

updating login page to work with our new form validation approach.  made a few tweaks to session api to ensure well formed 400 http responses.

update all the admin resource templates to use updates css classes for Form-input and Grid stuff where appropriate.

allow saving a card with a failed query

fix logic around setting card.display so that we ensure we always have a valid value.  previous code had a condition where a failed card query would result in setting the card.display to null.