Feature panelizer settings

## Ready State: (Yes)

This pull request is related to the following JIRA tickets: [LDC-231 Create the news listing page display news articles](https://imagex.atlassian.net/browse/LDC-231).

## Requirements & Dependencies

* Added new dependencies: imagex_user_roles_permissions, node, taxonomy

## Deployment Instructions

* Merge code.
* Enable module `imagex_page`: `drush pm-enable imagex_page`
* Clear caches with `drush cc all`

## Usage/Test Instructions

* Included are a pathauto setting for pages and very basic panelizer configuration using full page override and some basic fields like title, body, links and tags.