Wp 263 device friendly name mapping

Device named are mapped to friendly name. Sets friendlyName depending on OS else you can set it via webinos_config.json friendlyName, You can also change your friendly name via PZP testbed.

In webinos.js it does not provide information about the device id, it just provides details friendlyName. All mapping is done in websocket server of PZP. 

FindServices are checked so would appreciate if all API owners can test. More than 2 devices could have same name, I could set #2 but that will not be useful in identifying which device, so it will upto user to use set friendly name interface to change it.

Jira Issue: WP-263