- Compatibility fix (openclipart): Ensure polyfill present; make separate non-modular build (still not integrated as API incomplete)

- Docs: Add compatibility fix to Contributing

package.json

@@ -55,6 +55,7 @@
   "devDependencies": {
     "babel-core": "6.26.3",
     "babel-plugin-external-helpers": "^6.22.0",
+    "babel-plugin-transform-builtin-extend": "^1.1.2",
     "babel-plugin-transform-object-rest-spread": "^6.26.0",
     "babel-polyfill": "^6.26.0",
     "babel-preset-env": "^1.7.0",
@@ -74,7 +75,7 @@
     "opn-cli": "^3.1.0",
     "promise-fs": "^1.3.0",
     "qr-manipulation": "^0.7.0",
-    "query-result": "^0.2.0",
+    "query-result": "https://github.com/WebReflection/query-result",
     "qunit": "^2.6.2",
     "rollup": "0.66.2",
     "rollup-plugin-babel": "^3.0.7",