New features
------------

    - Enhance :class:`surrogate.kriging`: adimentionize input parameters,
      use anisotropic kernel and use genetic algorithm for parameters optimization
    - Settings are now written in JSON and checked using a schema
    - Ask for confirmation of output if exists: if no, ask for restarting from files
    - Add post-treatment example scripts in ``test_cases/Post-treatment``

Enhancements
------------

    - Save points of the DOE as human readable file
    - Add branch and commit information to log
    - Add doc for tutorial, space, surrogate and pod
    - Change Scikit-Learn to stable 0.18
    - Restart option ``-r`` now working properly
    - Create a :mod:`misc` which contains logging and json schema

Bug fixes
---------

    - Refiner navigator loops correctly
    - LOOCV working for multimodes
    - Revert Q2 variance to use ``eval_ref``
    - Avoid extra POD quality when using LOOCV strategies
    - Popping space was not working properly
