Make unhandled rejected promises visible on exit.

bin/xo-server

@@ -7,4 +7,7 @@
 // Better stack traces if possible.
 require('../better-stacks')
 
+// Make unhandled rejected promises visible on exit.
+require('loud-rejection/register')
+
 require('exec-promise')(require('../'))

package.json

@@ -93,6 +93,7 @@
     "lodash.pick": "^3.0.0",
     "lodash.sortby": "^3.1.4",
     "lodash.startswith": "^3.0.1",
+    "loud-rejection": "^1.2.0",
     "make-error": "^1",
     "micromatch": "^2.3.2",
     "minimist": "^1.2.0",