DROOLS-3: Migrating from Hibernate 3 to Hibernate 4
DROOLS-3: Migrating from Hibernate 3 to Hibernate 4 (Typo in hibernate-commons-annotations dependency)
removing commented code
Get Spring working again
fix compilation problems
move the Kie*Model classes in a model package
Refactoring the code to use the new API
Fixing simulation framework to use the new API