CHANGED: getMachineID()

 * Removed usage of /etc/machine-id. Later add option to enable it
 * Fixed RuntimeStreamer to send EOF to process
 * Fixed launcher not working under XP. wmic never exited
 * Check if bios serial number 0 and return empty => use old mac
Merge pull request #845 from jikuja/fixes_for_v1.4.4

CHANGED: getMachineID()