Bumped version to 1.0.1
tests: Temporary files should be created in tmp dirs, not in home, etc.
tests: Skip tests that shouldn't be run during nosetests
tests: Fix exit cleanup behavior in OpDataSelectionGroup
tests: More cleanup of operators before test exit
Fixes #857. Wrong attribute name on a namedtuple.

ActionInfo class created as a part of the ShortcutManager changes in
Volumina is a namedtuple. It does not have a setEnabled() method.

This code path is triggered when pixel classification is used with a
color image and a new label is added for instance.
Merge branch 'master' into graphcut-applet