Run QCs from runner.

When importing an old project, the first QC run could take a while
and cause a bit of backlog, but during normal shooting it is expected
that it will finish quite quickly (and this is monitored anyway).

lib/www/server/lib/qc/index.js

@@ -1,3 +1,5 @@
+#!/usr/bin/node
+
 const fs = require('fs');
 const YAML = require('yaml');
 const vm = require('vm');