Runs an executable or batch file.
Example
fin.desktop.System.launchExternalProcess("notepad", "", function (result) {
console.log("Result UUID is " + result.uuid);
});
External Process
//This response has the following shape:
{
uuid: "FB3E6E36-0976-4C2B-9A09-FB2E54D2F1BB" //The mapped UUID which identifies the launched process
}