Policy Management API
Added missing file for the modularised version
In order to load this API the following line has to be added in the file
wrt/webinos.servicedisco.js inside the webinos-api-serviceDiscovery module

 if (typeof PolicyManagementModule !== 'undefined')
     typeMap['http://webinos.org/core/policymanagement'] =
     PolicyManagementModule;

Jira issue: WP-932