Don't apply filters to the truth_table

This fixes #329
Merge pull request #354 from hammerlab/issue-329-stats-fix

Don't apply filters to the truth VCF rows when computing stats
Hovering "Submitted On" on /runs shows full time

Also remove old file

Fixes #355
Merge pull request #358 from hammerlab/issue-355-hover-runs-time

Hovering "Submitted On" on /runs shows full time
Merge pull request #356 from hammerlab/spinner

Show spinner while queries are executing
Surface server errors on CQL queries