fix(demo): moved http-server from dev to prod dependencies to fix Heroku demo

Author: bahmutov

package.json

@@ -61,13 +61,13 @@
     "browserify": "12.0.1",
     "express": "4.13.3",
     "git-issues": "1.2.0",
-    "http-server": "0.8.5",
     "pre-git": "3.1.2",
     "standard": "5.4.1",
-    "todomvc-express": "1.1.2",
-    "semantic-release": "^4.3.5"
+    "semantic-release": "4.3.5"
   },
   "dependencies": {
+    "todomvc-express": "1.1.2",
+    "http-server": "0.8.5",
     "check-more-types": "2.10.0",
     "lazy-ass": "1.3.0"
   }