Added missing maven nature to hibernate UI test
Timeout period increased for project import
Database requirement applied for selected tests
New JPA project tests reimplemented for various JPA versions
Reflects changes in JBT 4.2.0.Beta3

- fixes changed labels of VPE toolbar items
- fixes OpenOnHelper using RedDeer Keyboard
- fixes editing issues when externalization test runs
- activate Source tab when editing properties via Properties editor
- add links to Jira to assertions of failed tests
- ignore IncludedCSSFilesTest