remove old commandlinewrapper
Merge branch 'devel' of github.com:saga-project/saga-python into devel
rename ssh_xxx to shell_xxx (adaptor, wrapper, tests, etc)
more work on return values
Merge branch 'devel' into feature/pbsjob

Conflicts:
	saga/engine/registry.py
more test configs
consistent license headers
added job_queue to job cfg parameters
Merge branch 'devel' into feature/pbsjob
updated readme file
Merge branch 'devel' into feature/pbsjob
expl. cast exit code to int
Merge branch 'devel' of github.com-oleweidner:saga-project/saga-python into devel
more work on job tests
Merge branch 'devel' into feature/pbsjob
implemented PBS job.get_service_url()