Racelog feature - first pass

includes:
- dynamic table with list of all races (dynatable)
- form similar to add run form for adding races
- view for individual races

beginning racelog

racelog model

some racelog progress

importing dynatable js and css

race adding and displaying table works

some visual bugs

style fix for dynatable to work with bootstrap 3

dynatable page number style for openrunlog

sort races by most recent first

add a view for an individual race
404 on invalid run id
custom error pages

Implemented custom error handlers to show prettier 4xx and 5xx errors
Adding metrics to 5xx/4xx error handlers

Now tinyfeedback can show errors that tornado handles