[XgLab] move the import of XGL_DPP (crashes when unloaded)
When starting a bliss session the bliss.controllers.mca module gets imported (in bliss.shell.standard: from bliss.controllers.mca.base import BaseMCA).
In turn bliss.controllers.mca.__init__.py imports xglab_dante.py which tries to import the XgLab library XGL_DPP if present.
This wouldn't be a problem if that library wasn't crashing python on exit.
As a workaround the XGL_DPP import should be moved to the __init__ of the XGLabDante class.
Edited by Damien Naudet