Only use better_errors and binding_of_caller on ruby 2.0+
Move debugging gems to a new Gemfile group
Merge pull request #411 from avalonmediasystem/fix-travis-build

Move debugging gems to a new Gemfile group
Add repeatable typeahead fields for language
Add terms of use and limit bibliographic id to one
Fix mediaobject
Add related item and terms of use
Change mods ordering and fix update
Make sure the top-level identifier is under "mods"
Fix relatedItem conflict with original_physical_description
Remove unneeded css
Add new fields to preview page
Add indexes for new fields
Adding tooltip placeholders
Update en.yml
Make typeahead validation configurable
Disable Enter key on typeahead fields