build: upgrade dev dependencies (#3440)

* Upgrades outdated devDependencies to the latest version.

package.json

@@ -48,7 +48,7 @@
     "@types/jasmine": "2.5.41",
     "@types/merge2": "^0.3.29",
     "@types/minimist": "^1.2.0",
-    "@types/node": "^7.0.4",
+    "@types/node": "^7.0.5",
     "@types/run-sequence": "^0.0.28",
     "@types/rx": "2.5.33",
     "axe-core": "^2.1.7",
@@ -56,16 +56,16 @@
     "conventional-changelog": "^1.1.0",
     "dgeni": "^0.4.7",
     "dgeni-packages": "^0.16.5",
-    "firebase-admin": "^4.0.6",
+    "firebase-admin": "^4.1.2",
     "firebase-tools": "^2.2.1",
     "fs-extra": "^2.0.0",
     "glob": "^7.1.1",
-    "google-cloud": "^0.45.1",
+    "google-cloud": "^0.48.0",
     "gulp": "^3.9.1",
     "gulp-autoprefixer": "^3.1.1",
     "gulp-better-rollup": "^1.0.2",
     "gulp-clean": "^0.3.2",
-    "gulp-clean-css": "^2.3.2",
+    "gulp-clean-css": "^3.0.3",
     "gulp-cli": "^1.2.2",
     "gulp-connect": "^5.0.0",
     "gulp-flatten": "^0.3.1",
@@ -75,35 +75,35 @@
     "gulp-markdown": "^1.2.0",
     "gulp-rename": "^1.2.2",
     "gulp-sass": "^3.1.0",
-    "gulp-sourcemaps": "^2.4.0",
+    "gulp-sourcemaps": "^2.4.1",
     "gulp-transform": "^1.1.0",
     "hammerjs": "^2.0.8",
     "highlight.js": "^9.9.0",
     "image-diff": "^1.6.3",
     "jasmine-core": "^2.5.2",
-    "karma": "^1.4.1",
+    "karma": "^1.5.0",
     "karma-browserstack-launcher": "^1.2.0",
     "karma-chrome-launcher": "^2.0.0",
-    "karma-firefox-launcher": "^1.0.0",
+    "karma-firefox-launcher": "^1.0.1",
     "karma-jasmine": "^1.1.0",
     "karma-sauce-launcher": "^1.1.0",
     "karma-sourcemap-loader": "^0.3.7",
-    "madge": "^1.5.0",
+    "madge": "^1.6.0",
     "merge2": "^1.0.2",
     "minimist": "^1.2.0",
-    "node-sass": "^4.3.0",
-    "protractor": "^5.1.0",
+    "node-sass": "^4.5.0",
+    "protractor": "^5.1.1",
     "resolve-bin": "^0.4.0",
     "run-sequence": "^1.2.2",
     "sass": "^0.5.0",
-    "selenium-webdriver": "^3.0.1",
+    "selenium-webdriver": "^3.1.0",
     "stylelint": "^7.8.0",
     "travis-after-modes": "0.0.7",
-    "ts-node": "^2.0.0",
+    "ts-node": "^2.1.0",
     "tslint": "^4.4.2",
     "tslint-no-unused-var": "0.0.6",
     "typescript": "~2.0.10",
-    "uglify-js": "^2.7.5",
+    "uglify-js": "^2.8.7",
     "web-animations-js": "^2.2.2"
   }
 }