CMS-3557 LiveEdit - Create reusable class between admin and live-edit representing selectable item in Page
Introduced ItemView and ItemType  as reusable class between admin and live-edit representing an selectable item in Page
CMS-3557 LiveEdit - Create reusable class between admin and live-edit representing selectable item in Page
Renamed method
CMS-3522 Create new event system from LiveEdit to LiveFormPanel
Merge pull request #748 from enonic/CMS-3522

CMS-3522 Create new event system from LiveEdit to LiveFormPanel
CMS-3488 Introduce UI Framework for responsive layout

Fixed SplitPanel and ContentWindow resize in live edit.
Removed @media queries from the less.
Added top level (body) resize listener.
Optimized ContentWizardPanel resize event: add StickyToolbar update.
Fixed WizardStepForm responsive resizing in live panel issue.
Updated outdated styles.
Updated responsive layout.
Added `unAvailableSizeChanged()` call in `onRemoved()`  event handler.
Merge pull request #750 from enonic/CMS-3488

CMS-3488 Introduce UI Framework for responsive layout
Merge branch 'master' into osgi