switching to eslint for code checking

most rules degraded to WARN, so we don't go insane. This will
change over time. The aim is to conform to a common style

Signed-off-by: Claudius Coenen <opensource@amenthes.de>

.eslintrc.js

@@ -0,0 +1,21 @@
+module.exports = {
+  "root": true,
+  "extends": "standard",
+  "env": {
+    "node": true
+  },
+  "rules": {
+    // at some point all of these should return to their default "error" state
+    // but right now, this is not a good choice, because too many places are
+    // wrong.
+    "import/first": ["warn"],
+    "indent": ["warn"],
+    "no-multiple-empty-lines": ["warn"],
+    "no-multi-spaces": ["warn"],
+    "object-curly-spacing": ["warn"],
+    "one-var": ["warn"],
+    "quotes": ["warn"],
+    "semi": ["warn"],
+    "space-infix-ops": ["warn"]
+  }
+};