ERT-440 - Disable workflow toolbutton if no workflows exists.
Merge pull request #318 from jepebe/y-scale

ERT-419 - Storing of scale values.
Merge pull request #319 from jepebe/workflow-exception

Workflow exception
Merge remote-tracking branch 'upstream/master' into workflow-case-update

Conflicts:
	devel/python/python/ert_gui/tools/workflows/workflows_tool.py