Revert "Switch to babel 6"

package.json

@@ -10,12 +10,12 @@
   "license": "Apache-2.0",
   "main": "lib/index.js",
   "bin": {
-    "reskindex": "scripts/reskindex.js"
+    "reskindex": "./reskindex.js"
   },
   "scripts": {
-    "reskindex": "scripts/reskindex.js -h header",
-    "build": "node scripts/babelcheck.js && babel src -d lib --source-maps",
-    "start": "node scripts/babelcheck.js && babel src -w -d lib --source-maps",
+    "reskindex": "./reskindex.js -h header",
+    "build": "babel src -d lib --source-maps --stage 1",
+    "start": "babel src -w -d lib --source-maps --stage 1",
     "lint": "eslint src/",
     "lintall": "eslint src/ test/",
     "clean": "rimraf lib",
@@ -24,7 +24,6 @@
     "test-multi": "karma start $KARMAFLAGS --single-run=false"
   },
   "dependencies": {
-    "babel-runtime": "^6.11.6",
     "browser-request": "^0.3.3",
     "classnames": "^2.1.2",
     "draft-js": "^0.8.1",
@@ -51,19 +50,17 @@
     "velocity-vector": "vector-im/velocity#059e3b2",
     "whatwg-fetch": "^1.0.0"
   },
+  "//babelversion": [
+    "brief experiments with babel6 seems to show that it generates source ",
+    "maps which confuse chrome and make setting breakpoints tricky. So ",
+    "let's stick with v5 for now."
+  ],
   "devDependencies": {
-    "babel-cli": "^6.5.2",
-    "babel-core": "^6.14.0",
+    "babel": "^5.8.23",
+    "babel-core": "^5.8.38",
     "babel-eslint": "^6.1.0",
-    "babel-loader": "^6.2.5",
-    "babel-plugin-transform-async-to-generator": "^6.16.0",
-    "babel-plugin-transform-class-properties": "^6.16.0",
-    "babel-plugin-transform-object-rest-spread": "^6.16.0",
+    "babel-loader": "^5.4.0",
     "babel-polyfill": "^6.5.0",
-    "babel-preset-es2015": "^6.14.0",
-    "babel-preset-es2016": "^6.11.3",
-    "babel-preset-es2017": "^6.14.0",
-    "babel-preset-react": "^6.11.1",
     "eslint": "^2.13.1",
     "eslint-plugin-flowtype": "^2.17.0",
     "eslint-plugin-react": "^6.2.1",