Stop tracking styles.css.
Updates to make source type dropdown list service names instead of source IDs.
Ensure that the service is set for configurations that are initialized using the initializeFromService method.
Added new method to the model to return all source configuration types that are needed when adding a new source configuration.
Fixes to allow the edit dialog to correctly publish to the back end.
Fixing bug that was preventing non-active configurations from being persisted correctly.
Now able to add new sources.
Added client-side check to prevent adding two source configurations with the same name.
Source name is now editable and updates all existing configurations.

* Added utility to assist with popover rendering on the input form
* Added styling to inform of data input error
* Added checks to ensure that newly chosen name does not conflict with existing names