Merge branch 'master' of https://github.com/t20100/pymca
Add errorbar comment.
Do not set an active curve unless action is enabled.
Work in progress.
Specify addCurve keyword parameters.
Dictionary of predefined colors.
Move color dictionary to PlotBackend.py
Adapt to PlotBackend.py changes.
Do not pass plotting information to be used in info to the backend.
Handle polygon signal in erase and select mode.
Make clear when the signal is not handled by the plot.
Implement signal.
Implement additional selection menu for scatter plot.
Try to avoid MPLCONFIGDIR error under windows.
http://sourceforge.net/p/pymca/bugs/18/
Recover AdvancedAlignmentScanPlugin.py functionality.
Update doc string.
GL text with color
GL text add offset origin
Adapt to the creation of the PyMca5.PyMcaGui.physics.xas module directory.