New Feature: Scatter Graph

Updated all CCS data and G-Line info for May, 2020.

Added a scatter graph that shows distribution of base and system seniority in each BES.

This is an add-on to the main graph page for now, but should get its own page with more detail later on.

The scatter graph helps in quickly identifying general distribution and outliers in a BES.

One more BES example:

Thank you, Paul Hastert, for the feature request.