removed old mdb based tests
added work package model and test (not working, just as reference)
work package interface implementation
Implementierung der MySQL-Klassen + Tests
added utils to reload test data
fixed unit test error
Fortsetzung der Implementierung
Implemented dbaccess.data.Workpackage
MySqlConnect implemented
New Connect/Login GUI mostly done
Fortsetzung Implementierung
added models test suite + work package implementation
import cleanup
New Login GUI implemented
Checkstyle adjustments.
Fertigstellung der Implementierung der Models + Javadoc
ModelTests überarbeitet
Implemented deleteWorkpackage method
addNewWorkpackage implementation
Comments and getConnection for SQlExecutor