Add provisioning support for custom websocket ports

[tresf]

Adds support for specifying custom websocket ports in qz-tray.properties as well as provisioning.json

provisioning.json

[
    {
        "description": "Custom secure websocket ports",
        "type": "property",
        "data": "websocket.secure.ports=9191,9292,9393,9494"
    },
    {
        "description": "Custom insecure websocket ports",
        "type": "property",
        "data": "websocket.insecure.ports=9192,9293,9394,9495"
    }
]

ant -Dprovision.file=provision.json nsis

Testing:

1. Install the software, verify everything works on the custom port
   • Visit: https://localhost:9191)
2. Check the firewall rules are installed for the custom port:
   • Start, Run:wf.msc, Inbound Rules, "QZ Tray"

Closes #1071