Reverts redux dependency to v3

Fix for #21

Author: birdofpreyru

package-lock.json

@@ -27,7 +27,7 @@
     "react-helmet": "^5.2.0",
     "react-redux": "^5.0.7",
     "react-router-dom": "^4.3.1",
-    "redux": "^4.0.0",
+    "redux": "^3.7.2",
     "redux-actions": "^2.4.0",
     "redux-devtools": "^3.4.1",
     "redux-devtools-dock-monitor": "^1.1.3",
@@ -121,5 +121,5 @@
     "mkDistDir:prod": "mkdir -p dist/prod/shared/utils && mkdir -p dist/prod/client",
     "test": "npm run lint && npm run jest"
   },
-  "version": "0.6.4"
+  "version": "0.6.5"
 }