Dependency upgrades.

- Spring Data JPA 1.3.0 -> 1.4.0.BUILD-SNAPSHOT
- Hibernate 4.1.6 -> 4.2.0
- JodaTime 2.1 -> 2.2
- Lombok 0.11.4 -> 0.11.6
- Logback 1.0.9 -> 1.0.11
- AspectJ Weaver 1.6.12 -> 1.7.2
- HSQLDB 2.2.8 -> 2.2.9
Cleaned up XML config to only use it as trigger for JavaConfig.
Renamed test configuration file to prevent it being picked up by STS.
Added test classes for Order resource exposed by Spring Data REST.