implemented finalize
Merge branch 'devel' of github.com-oleweidner:saga-project/saga-python into devel

Conflicts:
	tests/configs/ssh_localhost.cfg
Merge branch 'devel' of github.com-oleweidner:saga-project/saga-python into devel
Merge branch 'devel' of github.com-oleweidner:saga-project/saga-python into devel
Merge branch 'devel' of github.com-oleweidner:saga-project/saga-python into devel
started to migrate bliss tutorial