v0.13.3

Last reviewer requested change before publication of hoggorm package in Journal of Open Source Software:

• Updated usage example in readthedocs documentation in file quickstart.rst.

v0.13.2

• New and updated examples (Jupyter notebooks and executable scripts) for PCA, PLS1, PLS2 , PCR, SMI, RV and RV2
• Updated documentation for ReadTheDocs
• Updated tests
• Updated license
• Updated paper.md and paper.bib for publication of paper with Journal of Open Source Software (JOSS)

Version 0.12

Git release matching PIP release from July 2018.