PyFAI v0.14.0

New features:

• Graphical user interface for calibration (pyFAI-calib2)
• Goniometer calibration tools and multi-geometry enhancements
• Integration scripts and averaging scripts are now able to normalize the data
  from monitors found in the header.
• Propagate metadata information as part of the integrated data
• Common pre-processing factorization on Python, Cython and OpenCL
• Test clean up and acceleration (avoid tests on too large images)
• Many new tutorials http://pyfai.readthedocs.io/en/latest/usage/tutorial/index.html
• New averaging / integration methods:
  • Azimuthal median filtering
  • Azimuthal trimmed mean
  • sigma-clipping on azimuthal angle
  • Radial averaging
• Diffraction image inpainting to fill-up the gaps with plausible values.
• This release correspond to 572 commits
• Change of license: now all pyFAI is MIT license.