Feature: LDC-417 - added basic panelizer default layout

## Ready State: Yes

Relates to https://imagex.atlassian.net/browse/LDC-417

Add basic panelizer layout with the common imagex fields from this feature and common fields.

## Requirements & Dependencies

None

## Deployment Instructions

* Merge code.
* Clear caches with `drush cache-clear all`

## Usage/Test Instructions

* Run install & ensure groups have panelizer on by default, IPE is on & a basic 1 column layout is provide