Clean up OmeroJava (see #11274) (rebased onto develop)



This is the same as gh-1422 but rebased onto develop.

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This PR 
- moves the unit tests from OmeroJava to blitz and fixes the build,
- standardises whitespace usage in all the packages (code template used: ``docs/styles/OMERO_Eclipse_Code_Style.xml``),
- increases the TestNG test timeout from 30 to 120 seconds.

To test - verify that the failing test number decreased in http://hudson.openmicroscopy.org.uk/view/2.%20Stable/job/OMERO-merge-integration-stable/. Especially, there shouldn't be any failures with the message ``Method org.testng.internal.TestNGMethod.testGetParams() didn't finish within the time-out 30000``.