Feature: Media modules and configuration

## Ready State: Yes
#### Authored by @DannyJoris

This pull request is related to the following JIRA tickets: [LDC-173 Add the media modules and standard media config](https://imagex.atlassian.net/browse/LDC-173).

## Requirements & Dependencies

* https://github.com/imagex/imagex_patches/pull/8

## Deployment Instructions

* see imagex_installkit deployment instructions

## Usage/Test Instructions

* removes wysiwyg module(s)
* includes ckeditor module, htmlpurifier, media_crop
* includes patches for ckeditor and media_crop
* includes imagex_wysiwyg_profiles, a feature including ckeditor profile settings + text formatters
* includes ckeditor, htmlpurifier and imgselectarea libraries