Make sure a non-initialized right axes does not interfere with the zoom reset.
GL add mouse signals
Prepare selections on scatter plots.
Support semilogarithmic scatter plot.
Prepare plot window to be the base class for selections.
Correct mouse shape.
GL backend: add image clic and drag
Change rc level.
Merge branch 'master' of https://github.com/vasole/pymca
Provide means to control the visibility of the toolbar buttons.
GL: add curve picking and signal
GL: add colored curves
GL: fix curve bounding box test
Merge remote-tracking branch 'upstream/master'