Stub out examine view for stats etc for a particular run.
Javascript VCF manipulation in place, template created to interact and display, tp and fp added to scorer.
Add more info to Runs table, fix scorer worker bug

Also, add in route for serving VCFs off of HDFS--will be used to serve
VCFs to the Examine JS.
First pass at examine page done, summary stats for regions, VCF
navigation, box charts for chromosomal read depth.
Undo debug modification of dream_eval
Merge pull request #7 from hammerlab/add_summary_stats_to_runs

Add summary stats to runs