PDI-12582 - Sqoop Import/Export Dialogs`s database selection "Use Advanced Options" cause null pointer exception - handle ADVANCED_LIST mode
[BACKLOG-331]: CLONE - Spoon Fails to start if the designated shim doesn't load properly

There are fix and unit test.
[BACKLOG-115] Certify support for Kerberos for CDH 5.1

Add cdh51 shim
Merge pull request #240 from akhayrutdinov/PDI-12582

[PDI-12582] - Sqoop Import/Export Dialogs`s database selection "Use Advanced Options" cause null pointer exception
Merge pull request #242 from TatsianaKasiankova/BACKLOG-331

[BACKLOG-331]: CLONE - Spoon Fails to start if the designated shim doesn't load properly
Merge pull request #247 from pavel-sakun/BACKLOG-115

[BACKLOG-115] Certify support for Kerberos for CDH 5.1
[PDI-11049] PDI fails to connect to different Hive databases other that "default"