New Features

• #251 Raise a helpful error when an attribute is missing from ATTRIBUTE_TYPES
• #298 Support ActiveRecord model I18n translations
• #312 Add a nil option to belongs_to form fields

UI Changes

• #231 Fix layout issue on show page where a long label next to an empty value would cause following fields on the page to be mis-aligned.
• #309 Fix layout issue in datetime pickers where months and years would not wrap correctly.
• #306 Wrap long text lines (on word breaks) on show pages
• #214 Improve header layout when there is a long page title
• #198 Improve spacing around bottom link in sidebar
• #206 Left-align checkboxes in boolean form fields
• #315 Remove the IDS suffix for HasMany form field labels

Bug Fixes

• #259 Make installation generator more robust by ignoring dynamically generated, unnamed models
• #243 Fix up a "Show" button on the edit page that was not using the display_resource method.
• #248 Improve polymorphic relationship's dashboard class detection.
• #247 Populate has_many and belongs_to select boxes with the current value of the relationship.

I18n Changes

• #217 Dutch
• #263 Swedish
• #272 Danish
• #270 Don't apologize about missing relationship support.
• #237 Fix broken paths for several I18n files (de, es, fr, pt-BR, vi).

Optimizations

• #266 Save a few database queries by using cached counts