Fix updating user

- fix updating in method updateUser
- fix updating in method updateNameTitles
- throw exception if nothing updated in DB
- throw exception if lastName is null
- use actual user from DB updated by correct values in auditerLog
Merge pull request #281 from stavamichal/fixUpdateUserAndUpdateNameTitles

Fix updating user
Fix throwing exceptions in methods updateUser and updateNameTItles

- do not throw internalErrorException in impl when lastName is null, instead of it throw exception in entry and user IllegarlArgumentException
- if user is not updated, do not throw exception
- if user is not updated, do not log msg to auditerLog
- fix tests for these methods
Merge pull request #282 from stavamichal/fixUsingInternalErrorExceptionInUpdateUserAndUpdateNameTItles

Fix throwing exceptions in methods updateUser and updateNameTItles
Detect Oracle DB from the DriverName.
Merge pull request #283 from tauceti2/extSourceSQLFix

Detect Oracle DB from the DriverName.