chore(package): update html-minifier to version 3.0.2 (#1082)

https://greenkeeper.io/

Author: greenkeeperio-bot

package.json

@@ -50,7 +50,7 @@
     "gulp-useref": "~3.1.0",
     "gulp-util": "~3.0.7",
     "gulp-watch": "~4.3.8",
-    "html-minifier": "~3.0.1",
+    "html-minifier": "~3.0.2",
     "isparta": "~4.0.0",
     "karma": "1.1.2",
     "karma-browserify": "~5.1.0",