Updated versions to 0.5
Extracted common version-related build properties to a file in ceylon-common
Upgrade SWR, rewrite Aether artifact result lookup.
Fix SWR api usage, unify test results.
Get 1st level deps in 2nd request.
Add failing test code; SWR + 1st level deps logic.
Use new SWR, 1st level stuff now passes.
Add module.xml support.