Postfix gmail configuration and little addition

Modification of TO DO in README
Changing some cp to mv in launch.sh
Update commit in Gitolite-Admin.sh
Little update in MediaServerLaunch.sh
Removing Twonky and Install minidlna in MediaServerLaunch.sh
Setting up Postfix through gmail in launch.sh
Adding of minidlna.conf in /VMs/MediaServer