closes #76...pesky nullable columns
Merge branch 'master' of https://github.com/curt-labs/GoAdmin

* 'master' of https://github.com/curt-labs/GoAdmin:
  defaults to 'other' dealer type in customer-add; warns user if no type selected
  adds ability to sort cust by mapics code
  removes local db params
  merges approved/active functionality in partReviews
  added delete button on edit part review page. closes #72
  fixes a foreign key constraint on aces part binding
  fixed some typos and closes #71