CMS-3418 Split Screen - Support resizing of context window

Removed unnecessary indent
Merge pull request #754 from enonic/CMS-3418

CMS-3418 Split Screen - Support resizing of context window
CMS-3477 Replace ExtJS grid - Uprade all SlickGrid js-files to latest

Updated SlickGrid.
Saved slick.checkboxselectcolumn.js local modifications.
Merge pull request #755 from enonic/CMS-3477

CMS-3477 Replace ExtJS grid - Uprade all SlickGrid js-files to latest
CMS-3557 LiveEdit - Create reusable class between admin and live-edit representing selectable item in Page
Added ContentSetEvent so that admin can communicate the content to the live edit page
CMS-3557 LiveEdit - Create reusable class between admin and live-edit representing selectable item in Page
Introduced TextView
CMS-3557 LiveEdit - Create reusable class between admin and live-edit representing selectable item in Page
Introduced "abstract" method ItemType.createView and implemenations in each specific type
CMS-3557 LiveEdit - Create reusable class between admin and live-edit representing selectable item in Page
Overriding getComponentName in PageView and RegionView
CMS-3557 LiveEdit - Create reusable class between admin and live-edit representing selectable item in Page
Removed old Component. Replaced with PageComponentView.
CMS-3547 Create and introduce context in Node and Content-api

Refactored some of the commands, and introduce simple context.
Changed back to running Tomcat on port 80
CMS-3522 Create new event system from LiveEdit to LiveFormPanel
Merge pull request #756 from enonic/CMS-3522

CMS-3522 Create new event system from LiveEdit to LiveFormPanel
CMS-3447 Selecting NavigationItem for NavigatedPanelStrip as user puts focus in a Panel in the PanelStrip

- made focus override scroll as long as the focused panel is visible
CMS-2983 Live Edit - Persisted empty component not shown - portal must print type and and path of empty page components
Moved methods from ItemView belonging to PageComponentView to  PageComponentView.
Introduced RegionEmptyEvent.
CMS-2983 Live Edit - Persisted empty component not shown - portal must print type and and path of empty page components
Removed global variables in live edit for content and siteTemplate. Replaced them with passing events caught by statically available PageItemType.
Should probably be moved to a statically available context object or something.
CMS-2983 Live Edit - Persisted empty component not shown - portal must print type and and path of empty page components
Minor refactoring
CMS-2983 Live Edit - Persisted empty component not shown - portal must print type and and path of empty page components
Minor refactoring
CMS-3546 TextComponent - Send TextComponentSetTextEvent when editor is deselected
CMS-3447 Selecting NavigationItem for NavigatedPanelStrip as user puts focus in a Panel in the PanelStrip

- made focus override scroll as long as the focused panel is visible
- also removed jQuery.scroll in favour of addEventListener('scroll')