Increase passing tests in OmeroJava

This is an initial attempt (more to come) at cleaning up and refactoring OmeroJava. On a vanilla dev_4_4 install, setting ICE_CONFIG to a file path is the first step to run the tests. In the file, put:

    omero.host=localhost
    omero.rootpass=omero
    omero.user=root
    omero.pass=omero

Then run ``build.py -f components/tools/OmeroJava/build.xml integration``. That should give 21 tests failing on no set up errors. Results can be viewed in ``components/tools/OmeroJava/target/reports/html/index.html``.