Initial Commit of ImageX Base for Events

## Ready State: (Yes)

This pull request is related to the following JIRA ticket LDC-73

## Requirements & Dependencies  (adding to those missing to next PR)
* date_popup
* addressfield
* ctools
* features
* file
* imagex_blog (until file field is moved to common_tools)
* imagex_common_fields
* imagex_vocabulary_tags
* list
*number
*options
*registration
* strongarm
* taxonomy
* text
## Deployment Instructions

* Merge code.
* Clear caches with `drush cache-clear all`

## Usage/Test Instructions
 * Navigate to Features, and confirm 'Events' feature is available under ImageX and enables correctly
NOTE this module is a dependency of linux_events, PR next.