Only zoom x axis.
Remove axis settings.

Distance between axes can be set with zoom.
Ported the Python Script widget.
Code style.
Fix contingency indexing.

Fixes a bug, where contingency column could not be indexed with
attribute name.
Rename color palette fields.
Fix distribution drawing.
Fix centering of vertical axis labels.
Allow manual specification of label y coordinate.
Allow overriding axis bounds.
Refactoring.
Use setattr so values are stored in current context.
Better str representation of Settings.
Update field name.
Replaced import * with explicit imports in owwidget.
New style signals
Code style.
Moved concurrent from orange2.
Added Scorers; untested, does not work yet.
Merge branch 'master' of github.com:biolab/orange3