Merge branch 'fix-sge-empty-env' into devel
Fix #190: Job fails if jd.output or jd.error paths don't exist
Merge branch 'fix-create-output-dir' of https://github.com/chris-zen/saga-python into devel
Checking whether the directory existed previously and creating it done in the same network round-trip
Merge branch 'fix-create-output-dir' of https://github.com/chris-zen/saga-python into devel