fix(package): update ngx-uploader to version 3.0.6

Closes #84

Author: greenkeeper[bot]

package.json

@@ -44,7 +44,7 @@
     "ng2-ckeditor": "1.1.5",
     "ng2-smart-table": "^0.5.1-0",
     "ng2-tree": "^2.0.0-alpha.0",
-    "ngx-uploader": "^2.0.24",
+    "ngx-uploader": "^3.0.6",
     "normalize.css": "^5.0.0",
     "reflect-metadata": "^0.1.9",
     "rimraf": "https://registry.npmjs.org/rimraf/-/rimraf-2.5.4.tgz",