Update, Sept. 1, 2018

Modified hundreds of pages to be mobile friendly, whew.

Restored a few more files for Steve's NewsEtc pages.

As I mentioned, we're now using GitHub to host source code.

• some minor fixes to the python wrappers for iad
• an initial start on porting SimSpeckle by Duncan and Kirkpatrick to python
• instruction modules in python for optical fibers
• a python implementation of the ISO 11146 standard for measuring beam sizes
• A python module for modeling Graded Index Lenses (GRIN)