Add gulp template cache to improve performance

package.json

@@ -4,11 +4,13 @@
   "devDependencies": {
     "event-stream": "^3.3.1",
     "gulp": "^3.9.0",
+    "gulp-angular-templatecache": "^1.7.0",
     "gulp-autoprefixer": "^2.3.1",
     "gulp-changed": "^1.3.0",
     "gulp-concat": "^2.6.0",
     "gulp-imagemin": "^2.3.0",
     "gulp-minify-css": "^1.2.1",
+    "gulp-minify-html": "^1.0.4",
     "gulp-sass": "^2.0.4",
     "gulp-strip-debug": "^1.0.2",
     "gulp-uglify": "^1.4.0"