Partially complete code for LDC-529.

## Ready State: Yes

Separated the features from imagex feature from the linux specific features.

## Deployment Instructions

* Merge the features.
* Clear all caches.
* Enable linux_content_inappropriate_settings && imagex_content_inappropriate.

## Usage/Test Instructions

* Browse to admin/structure/flags.
* Test by adjusting settings for both the inappropriate_content_node and inappropriate_content_comments flags to be enabled on certain entity types.
* Browse to examples of the given entity types and check to see if the flags appear.