Simple Code Cleanup

Cleaned up some misspellings and renamed some variables to make them
clearer.
Also changed a few of the BloodTime values to ints for "seconds" for
readability.
Initial Chart Output

This commit leverages the Google Charts API to generate HTML charts.

Renamed the Graph***() Methods in SugarModel to be Output methods.
Added an accessor function to generate the graph data points.
Fixed a bug with the glycation model that was not respecting the 60
second requirement.
Updated a few code formatting locations.