New Hibernate L1 + L2 + Query cache project

Sda2/P/Jpa/HibernateCacheDemo/pom.xml

...c/main/java/de/hdm_stuttgart/mi/sda2/ehcache/JpaTest.java

...a/de/hdm_stuttgart/mi/sda2/ehcache/domain/Department.java

...ava/de/hdm_stuttgart/mi/sda2/ehcache/domain/Employee.java

...nateCacheDemo/src/main/resources/META-INF/persistence.xml

Sda2/P/Jpa/HibernateCacheDemo/src/main/resources/ehcache.xml

...pa/HibernateCacheDemo/src/main/resources/log4j.properties