Remove duplicate depends.

Another ant target is invoked each so no need for the
depends attribute on ui-test-insight target.
Increase jemmy timeouts.
Returns the year for name of dataset

The tree exploration does not work well with long, (truncated?)
name.
Use -DTEST to run both tests in folder and single test.
Update slf4j and log4j jars.
further adjust size prefixes

ideas from @manics
fix IEC prefix capitalization
re-use size formatter
Moving common pytest fixtures, for use on both OmeroWeb and OmeroPy
linking conftest on gatewaytests to omero.gateway.pytest_fixtures
Merge pull request #1409 from ximenesuk/python-test-fixes-1

Python integration test fixes  and introduction of pytest
Merge pull request #5 from jburel/robot-framework-testing

Robot framework testing
Fix release of clients when the exe4j not installed.

The windows clients are not generated and not published.
merge dev_4_4 -D org -I include -E exclude: PR 1126 (Fix long-missing DELETE EventLogs)
merge dev_4_4 -D org -I include -E exclude: PR 1321 (Insight connectors dev 4 4)
merge dev_4_4 -D org -I include -E exclude: PR 1417 (Make JDK 1.6 the minimum supported version (dev_4_4))
merge dev_4_4 -D org -I include -E exclude: PR 1424 (Automated UI testing with Robot Framework)
merge dev_4_4 -D org -I include -E exclude: PR 1429 (fix #11360: get the servant holder from the session factory into the raw file store)
merge dev_4_4 -D org -I include -E exclude: PR 1431 (List orphans 11413)
merge dev_4_4 -D org -I include -E exclude: PR 1432 (run_script() handles 'No Processor Available')