Add Automated Tests to project

This project currently has no automated test suite, and one is needed in order to maintain and refactor successfully.

The following is the roadmap of proposed test coverage:

* Automated Tests for AuditFiles Not In Database Report
* Automated Tests for AuditFiles Not on Server Report
* Automated Test for AuditFiles Managed not used Report
* Automated Tests for AuditFiles Used not managed Report
* Automated Tests for AuditFiles Used not referenced Report
* Automated Test for AuditFiles Referenced not used Report
* Automate Tests for AuditFiles Merge file references Report