IdGenerator can now be initialised with 0 to get id 1. #3533
- Created standalone unit test for IdGeneratorProxy
- Updated javadoc
Removed some duplicate tests
Corrected formatting from tabs to spaces
Merge pull request #3560 from ajermakovics/fix/master/fix-3533

IdGenerator can now be initialised with 0 to get new id 1. Issue #3533