improve model for zf 1.0
zf 1.0 implemented in model
remove not needed class
try to get rid of dependency cycles in packages
test case not needed anymore
naming tuning
make sonar compliant
make sonar compliant
make sonar compliant
corrected error
make sonar compliant
corrected validation errors
made more sonar compliant
corrected test case
naming tuning
Merge branch 'feature/impl_zf_1.0' into develop