Changing pug from 2.0.0-rc.1 to 2.0.4 due to security issues.
Changing pug from 2.0.0-rc.1 to 2.0.4 due to security issues.

This PR is in response to issue #106.

Node-DC/Node-DC-EIS,Node-DC/Node-DC-EIS,Node-DC/Node-DC-EIS,Node-DC/Node-DC-EIS