* Add misc ignores so dynamic doc content can be built in repository
* Update to documentation Makefile for clean html build on Windows
* Updates to instructions for doc builds on Windows with Anaconda
* Added documentation page for IF97
* Fix errors on documentation page for Fluid_Properties/Mixtures
* Updated HighLevelAPI docs for clarity, IF97 ref, Python 3 support, and typos
* Modify print command to support build on Python 2 or 3
* Update to documentation to compile the Python wrapper with VC++
