Add babel-core and hardcode version numbers

Author: Jeff Torson

package.json

@@ -9,20 +9,21 @@
     ]
   },
   "devDependencies": {
-    "babel": "^6.5.2",
-    "babel-loader": "^6.2.4",
-    "babel-preset-es2015": "^6.6.0",
-    "babel-preset-react": "^6.5.0",
-    "css-loader": "^0.23.1",
-    "file-loader": "^0.8.5",
-    "less": "^2.6.1",
-    "less-loader": "^2.2.3",
-    "style-loader": "^0.13.1",
-    "url-loader": "^0.5.7",
-    "webpack": "^1.12.15"
+    "babel": "6.5.2",
+    "babel-core": "6.21.0",
+    "babel-loader": "6.2.4",
+    "babel-preset-es2015": "6.6.0",
+    "babel-preset-react": "6.5.0",
+    "css-loader": "0.23.1",
+    "file-loader": "0.8.5",
+    "less": "2.6.1",
+    "less-loader": "2.2.3",
+    "style-loader": "0.13.1",
+    "url-loader": "0.5.7",
+    "webpack": "1.12.15"
   },
   "dependencies": {
-    "react": "^15.0.1",
-    "react-dom": "^15.0.1"
+    "react": "15.0.1",
+    "react-dom": "15.0.1"
   }
 }