Squashed commit of the following:

commit d24a51a
Author: Ron Waldon <jokeyrhyme@gmail.com>
Date:   Wed Oct 19 10:21:09 2016 +1100

    add core "no-process-exit" rule to recommended

commit 9764046
Author: Ron Waldon <jokeyrhyme@gmail.com>
Date:   Wed Oct 19 10:18:28 2016 +1100

    bump eslint-config-mysticatea; run eslint --fix

Author: jokeyrhyme

conf/recommended.json

@@ -4,6 +4,7 @@
         "node": true
     },
     "rules": {
+       "no-process-exit": "error",
        "node/no-deprecated-api": "error",
        "node/no-missing-require": "error",
        "node/no-unpublished-require": "error",