Remove unused code from OmeroJava.
Fix testDeleteObjectByGroupOwnerRW().
Fix build with missing 'src' directory.
DeleteServiceTest: clean imports, use Delete cmd.
Update dates in licence headers.
Mark test as broken until fixed.
ExporterTest.java: Mark test as broken.
Clean TestNG suite definition files.
Fix OMERO-merge-stable build.
Delete coverage package.
DeleteServiceTest.java: Update test comments.
Add "testnames" property to the "suite" macro.
Add test targets to OmeroJava build.xml.
Update integration.testng.xml with granular tests.
Move test classes/methods to new groups.
Move disabled tests to the "broken" group.
Fix failures in the "tables" test group.
Remove unnecessary "enabled" annotation.
Remove unnecessary test group annotations.
Remove unnecessary "delete", "integration" groups.