[PDI-7955] - Changing the feedback row number in transformation settings (misc tab) does not mark the transformation as changed

Pure UI changes - no Unit tests provided.
Originally reported issue with Feedback row number is not reproducible.
A check has been performed for the rest of control for transformation properties dialog.
Similar issue has been discovered with Trnasformation status drop-down.
The corresponding selection listener has been added to 'wTransstatus' combo-box.
PDI-11072 - Only using DelegatingDriver for plugin jdbc drivers, preventing it from being registered more than once per jdbc driver

Conflicts:
	core/src/org/pentaho/di/core/database/Database.java
Merge pull request #249 from brosander/PDI-11072

PDI-11072 - Only using DelegatingDriver for plugin jdbc drivers, prevent...
PDI-11087 - Opening job entries within jobs causes false changes to be detected

There are some unit tests to cover fix PDI-11087.
PDI-11087 - Opening job entries within jobs causes false changes to be detected

There is a fix.
Merge pull request #240 from TatsianaKasiankova/PDI-11087

 PDI-11087 - Opening job entries within jobs causes false changes to be detected
Merge pull request #241 from mtseu/pdi-7955

[PDI-7955] - Changing the feedback row number in transformation settings (misc tab) does not mark the transformation as changed