Adds webinos injection script to IVI as well

Jira issue: APPPARTY-64
Merge pull request #38 from eelcocramer/APPPARTY-64

Adds webinos injection script to IVI as well
Makes it possible to load the party player apps from a different location as the web_root of the PZP

Jira issue: APPPARTY-69
Merge branch 'APPPARTY-69' of https://github.com/eelcocramer/app-PartyPlayer into APPPARTY-69