Bug fixes

Addressing brute force best practices and fixing the integration with the key module

This release fixes the issue of having the null URI error appear. It was caused by null KeyImage fields for collections and galleries that didn't have key images. This also correctly formats date and times from the JSON response to be used in the script.

• Adding support for schema.org Event
• Reorganize code to create re-usable traits
• Add in capability for multiple values, including the option to pivot values for an entire person, address, or offer
• Allow for multiple values in complex properties
• Clean up #states visibility
• Clean up handling of images, urls, and empty values.
• Reorganize code to allow some code duplication between D8 and D7 and to keep features consistent between them

Added new submodule CiviCRM Case Activity Reference Field.
This new module Acts as a "remote" reference field, specific for referencing/adding/editing CiviCase Activities from the Drupal based CiviCase Form

Added new submodule CiviCRM Entity Search API
Start to better integration with Search API. For Contacts, triggers contacts to be queued to be index on create/update/delete

CiviCRM Entity - Added 'Contact is of Subtype' Rules condition

CiviCRM Entity - Added 'Contact is in Group' Rules condition