Attempt to fix npm errors.

package.json

@@ -22,12 +22,12 @@
     "moment": "^2.10.3",
     "napa": "^1.2.0",
     "papaparse": "4.1.1",
-    "react": "^0.13.3",
-    "react-checkbox-group": "^0.2.0",
-    "react-infinity": "^1.2.2",
-    "react-prefixr": "^0.1.0",
-    "react-router": "^0.13.3",
-    "react-waypoint": "^1.0.2",
+    "react": "latest",
+    "react-checkbox-group": "latest",
+    "react-infinity": "latest",
+    "react-prefixr": "latest",
+    "react-router": "latest",
+    "react-waypoint": "latest",
     "select2": "3.5.1",
     "spectrum-colorpicker": "^1.6.2",
     "tinymce": "4.1.10",