Spring Boot 2.1/Spring Data Lovelace-SR1 support release v5.1.0

• Updated all code to work with Spring Boot 2.1 and Lovelace-SR1
• Updated Mockito to improve test coverage
• Update to Spring-Data 2.1.2.RELEASE and Spring Framework 5.1.2.RELEASE. Fixes #218
• Create table if they don't exist. Fixes #17
• Wrong class in CDI Extensions Check. Fixes #228