* PLT-7195: Added new config option, new license feature, and config UI to system console. Still need to implement behaviour change in email batching code
* PLT-7195: Modified batch emails to respect email notification content type setting
* PLT-7195: Tweaking the colours a bit
* PLT-7195: Added support for email notification content type setting in immediate (non-batched) notification messages. Attempted to clean up the code somewhat. Unit tests coming in a future commit
* PLT-7195: Added unit tests for non-batched emails
* Checked license when applying email content settings
* Changed return type of getFormattedPostTime
