Use Mocha 3.x, since 4.x no longer includes a browser-compatible script

bower.json

@@ -29,8 +29,8 @@
   ],
   "dependencies": {},
   "devDependencies": {
-    "chai": "*",
-    "mocha": "*",
-    "sinon-js": "*"
+    "chai": "^4.1.2",
+    "mocha": "^3.0.0",
+    "sinon-js": "^1.15.4"
   }
 }

www/bower_components/chai/.bower.json

@@ -32,6 +32,6 @@
     "commit": "529d395fa08091af2a02a8398b1144c51ed62178"
   },
   "_source": "https://github.com/chaijs/chai.git",
-  "_target": "*",
+  "_target": "^4.1.2",
   "_originalSource": "chai"
 }

www/bower_components/mocha/.bower.json

@@ -1,14 +1,48 @@
 {
   "name": "mocha",
-  "homepage": "https://github.com/mochajs/mocha",
-  "version": "4.0.1",
-  "_release": "4.0.1",
+  "homepage": "https://mochajs.org",
+  "description": "simple, flexible, fun test framework",
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/mochajs/mocha.git"
+  },
+  "main": [
+    "mocha.js",
+    "mocha.css"
+  ],
+  "ignore": [
+    "bin",
+    "editors",
+    "images",
+    "lib",
+    "scripts",
+    "test",
+    "assets",
+    "media",
+    ".*",
+    "index.js",
+    "karma.conf.js",
+    "browser-entry.js",
+    "Makefile",
+    "package.json",
+    "appveyor.yml"
+  ],
+  "keywords": [
+    "mocha",
+    "test",
+    "bdd",
+    "tdd",
+    "tap"
+  ],
+  "license": "MIT",
+  "version": "3.5.3",
+  "_release": "3.5.3",
   "_resolution": {
     "type": "version",
-    "tag": "v4.0.1",
-    "commit": "56ee2de86d0b9594246f481926d66cbe11635c92"
+    "tag": "v3.5.3",
+    "commit": "1ff41a05a599e8bffe90b2b13597b01a2031b88f"
   },
   "_source": "https://github.com/mochajs/mocha.git",
-  "_target": "*",
+  "_target": "^3.0.0",
   "_originalSource": "mocha"
 }