Resolve build errors on Windows

When building Zeppelin on Windows, errors occur depending on the versions of rimraf and scrollmonitor in the "zeppelin-web/package.json".

1. rimraf

• Building Zeppelin with version 2.5.4, an error occured. (Attachment. rimraf-error.png)

2. scrollmonitor

• Building Zeppelin with version 1.2.9(latest version), an error occured. (Attachment.scrollmonitor-error.png)