First release of the batch test case upload functionality, needs more testing
Adding some files I forgot in the last commit
Changes by Charles for confidence intervals
Fix for grid affirmation page and image conversion to grayscale
Fix confidence interval fix

Scores were text; had to convert to float. Also improved display
somewhat. May need to make parallel changes in another leaderboard
function. Tested locally.
Merge branch 'nkcdev' of https://github.com/ctwardy/mapscore into nkcdev
Improved  95%CI formatting on other leaderboards

Copied format changes to Scenario & TestCase leaderboards.
Also indented HTML better.

There appear to be some database issues on the TestCase leaderboards.