fix crash on logging config

* rename home page
* don't highlight filtered select (fixes #58)
add test exception; update mail log format
add heading to standings

* fixes #53
add legend to standings

* fixes #54
clarify summary text at bottom of tables

* fixes #57
* also move legend for Standings table
make screen width 100% of window

* fixes #49
* move dataTable  "Numbers with HTML" sort to RaceResults.js from
layout.html
* some changes trying to make dataTables.FixedColumns work, but
unsuccessful
make dataTable height depend on window height

* fixes #36
get rid of height logging