Misc: LDC-392 - made panelizer on by default

## Ready State: Yes

Relates to:
https://imagex.atlassian.net/browse/LDC-392
https://imagex.atlassian.net/browse/LDC-403

## Requirements & Dependencies

None

## Deployment Instructions

* Merge code.

## Usage/Test Instructions

Run installation and ensure panelizer is enabled by default for the blog content type