chore(package.json): tidy up dependencies

Sorted dependencies into alphabetic order. If we can keep them like this
it will be much easier to keep track of version changes.

Updated bower and gulp to newer versions.

package.json

@@ -6,11 +6,20 @@
     "url": "https://github.com/angular/angular.js.git"
   },
   "devDependencies": {
+    "angular-benchpress": "0.x.x",
+    "benchmark": "1.x.x",
+    "bower": "~1.3.9",
+    "browserstacktunnel-wrapper": "~1.1.1",
+    "canonical-path": "0.0.2",
+    "dgeni": "^0.3.0",
+    "dgeni-packages": "^0.9.8",
+    "es6-shim": "^0.14.0",
+    "event-stream": "~3.1.0",
     "grunt": "~0.4.2",
     "grunt-bump": "~0.0.13",
     "grunt-contrib-clean": "~0.5.0",
-    "grunt-contrib-connect": "~0.5.0",
     "grunt-contrib-compress": "~0.5.2",
+    "grunt-contrib-connect": "~0.5.0",
     "grunt-contrib-copy": "~0.4.1",
     "grunt-contrib-jshint": "~0.10.0",
     "grunt-ddescribe-iit": "~0.0.1",
@@ -19,42 +28,37 @@
     "grunt-merge-conflict": "~0.0.1",
     "grunt-parallel": "~0.3.1",
     "grunt-shell": "~0.4.0",
-    "load-grunt-tasks": "~0.3.0",
-    "bower": "~1.2.2",
+    "gulp": "~3.8.0",
+    "gulp-concat": "~2.1.7",
+    "gulp-jshint": "~1.4.2",
     "jasmine-node": "~1.11.0",
-    "q": "~1.0.0",
-    "shelljs": "~0.2.6",
+    "jasmine-reporters": "~0.2.1",
+    "jshint-stylish": "~0.1.5",
     "karma": "^0.12.0",
-    "karma-jasmine": "0.1.5",
+    "karma-browserstack-launcher": "0.0.7",
     "karma-chrome-launcher": "0.1.2",
     "karma-firefox-launcher": "0.1.3",
-    "karma-ng-scenario": "0.1.0",
+    "karma-jasmine": "0.1.5",
     "karma-junit-reporter": "0.2.1",
+    "karma-ng-scenario": "0.1.0",
     "karma-sauce-launcher": "0.2.0",
     "karma-script-launcher": "0.1.0",
-    "karma-browserstack-launcher": "0.0.7",
-    "protractor": "1.2.0",
-    "yaml-js": "~0.0.8",
-    "rewire": "1.1.3",
-    "promises-aplus-tests": "~2.0.4",
-    "semver": "~2.1.0",
+    "load-grunt-tasks": "~0.3.0",
     "lodash": "~2.1.0",
-    "browserstacktunnel-wrapper": "~1.1.1",
-    "jasmine-reporters": "~0.2.1",
-    "gulp": "~3.4.0",
-    "event-stream": "~3.1.0",
     "marked": "~0.3.0",
-    "gulp-concat": "~2.1.7",
-    "canonical-path": "0.0.2",
-    "winston": "~0.7.2",
-    "dgeni": "^0.3.0",
-    "dgeni-packages": "^0.9.8",
-    "gulp-jshint": "~1.4.2",
-    "jshint-stylish": "~0.1.5",
     "node-html-encoder": "0.0.2",
-    "sorted-object": "^1.0.0",
+    "promises-aplus-tests": "~2.0.4",
+    "protractor": "1.2.0",
+    "q": "~1.0.0",
+    "q-io": "^1.10.9",
     "qq": "^0.3.5",
-    "angular-benchpress": "0.x.x"
+    "rewire": "1.1.3",
+    "semver": "~2.1.0",
+    "shelljs": "~0.2.6",
+    "sorted-object": "^1.0.0",
+    "stringmap": "^0.2.2",
+    "winston": "~0.7.2",
+    "yaml-js": "~0.0.8"
   },
   "licenses": [
     {