4.2.3

[agrosner]

1. update PR template
2. fix pom file generation on jitpack Dependencies missing in .pom files #1487
3. fix issue where save(DatabaseWrapper) would leave open insert or update statment. Releasing statement in a finalizer #1496
4. Allow (but still warn) about autoincrementing ids being null. if null, they are treated as if they are 0 meaning that they will get inserted rather than updated in the DB during a save operation. AutoIncrement triggered by 0 value id. #1490
5. Update warning on wrong type passed in operator class for value Misleading warning in FlowLog while generating Operators using TypeConverters  #1488