Update executive, mocha

  executive  ^0.5.2  →  ^1.2.7
  mocha      ^2.3.4  →  ^3.2.0

package.json

@@ -24,17 +24,17 @@
   "license": "MIT",
   "readmeFilename": "README.md",
   "dependencies": {
-    "source-map-support": "^0.4.0"
+    "source-map-support": "^0.4.14"
   },
   "devDependencies": {
     "cake-bundle": "0.2.21",
     "cake-outdated": "0.1.18",
     "cake-publish": "0.1.10",
     "cake-version": "0.1.15",
-    "chai": "^3.4.1",
-    "coffee-script": "^1.10.0",
-    "executive": "^0.5.2",
-    "mocha": "^2.3.4",
+    "chai": "^3.5.0",
+    "coffee-script": "^1.12.4",
+    "executive": "^1.2.7",
+    "mocha": "^3.2.0",
     "shortcake": "1.2.8"
   }
 }