VMware: Support vmware:/// scheme for flexibility

The existing schemes, vmwareplayer:///session and vmwarews:///session
are limited so introduce a newer vmware:/// that allows the following:
- vmware:///ws
- vmware:///player
- vmware:///

The last in the list will attempt to auto-detect based on where your
VMware VIX API tool are installed since they come with the Workstation
or Player installation.