Added JpaRepository interfaces, CRUD service interfaces and CRUD service implementation classes for use with these classes:
- Attribute
- AuditTrail
- JobCard
- JobCardAttribute
- JobData
UML test
Implemented Builder pattern for Attribute class
Implemented Builder pattern for AuditTrail class

Fixed Builder pattern implementation for Attribute class
Added ConnectionConfigTest.java
Added empty test case for AttributeRepository
Deleted empty AuditTrailTest.java
Created empty public interface: za.co.dwarfsun.jobcardmanager.Application.java
Implemented test case for AuditTrailRepository
Changed timestamp code
lots of changes