update mocha and chai to latest

Author: edrex

package.json

@@ -11,14 +11,14 @@
   "author": "",
   "license": "ISC",
   "devDependencies": {
-    "chai": "^1.10.0",
+    "chai": "^3.4.1",
     "jspm": "^0.16.15",
     "karma-chai": "^0.1.0",
-    "karma-chrome-launcher": "^0.1.7",
+    "karma-chrome-launcher": "^0.2.2",
     "karma-jspm": "^2.0.2",
-    "karma-mocha": "^0.1.10",
-    "karma-mocha-reporter": "^0.2.2",
-    "karma-sauce-launcher": "^0.2.10",
+    "karma-mocha": "^0.2.1",
+    "karma-mocha-reporter": "^1.1.3",
+    "karma-sauce-launcher": "^0.3.0",
     "mocha": "^2.1.0"
   },
   "jspm": {