Smaller action buttons, correct table header, automatic background resize fix.
Fixed icon width issue in navigation
Style updates: Darker navigation, fixed footer, aligned icons in dropdown
Updates select2 library to latest version.
If a select field is allowed a null value in schema, allow the generated select to have en empty value.
Converted the display of form errors to warnings and render them in a nice box.
Changed autoresize library for textareas.
Added Validation rules for `name` and `slug`in BaseModel
Added possibility to define a `tabs` array in a model to render the containing fields as tabs in add/edit forms.
minor wording change
Fixed bug when calling method for getting the options for a select when a field is an object.
wording update in validation
Merge pull request #9 from mploigt/feature/redesign

Added tabs to edit/add forms and CSS updates