Refactored the widget usage with ActiveField.
Merge branch 'master' of github.com:yiisoft/yii2
added button group dropdowns
refactored label render
updated composer for example apps

issue #439
fixed indentation and button group label bug
small fix
Save point: WIP implementing db schema functionality.
Merge pull request #438 from tonydspaniard/367-bootstrap-nav

[ready]Added Bootstrap Nav and NavBar widgets 367 bootstrap nav
jQuery UI resizeable widget
jQuery UI draggable widget
fixed wrong usage of $.inArray in validators

fixes #448
Change example option
jQuery UI droppable widget
jQuery UI selectable widget
jQuery UI spinner widget
Merge pull request #452 from creocoder/jui-spinner

[READY] jQuery UI spinner widget
Merge pull request #451 from creocoder/jui-selectable

[READY] jQuery UI selectable widget
Merge pull request #450 from creocoder/jui-droppable

[READY] jQuery UI droppable widget
Merge pull request #449 from creocoder/jui-draggable

[READY] jQuery UI draggable widget