migrate to eslint

.eslintrc

@@ -0,0 +1,26 @@
+{
+    "ecmaFeatures": {
+        "blockBindings": true,
+        "forOf": true,
+        "jsx": true
+    },
+    "env": {
+        "browser": true,
+        "node": true
+    },
+    "rules": {
+        "semi": 2,
+        "quotes": "single",
+        "no-underscore-dangle": false,
+        "valid-jsdoc": true,
+        "no-constant-condition": false,
+        "strict": "never",
+        "camelcase": false,
+        "space-infix-ops": false,
+        "new-cap": false
+    },
+    "globals": {
+	    "Konva" : false,
+        "define": false
+	}
+}