TODO

Thread for connection -> cancel button on progres -> update progress

New RoadMap:
Server:
 - Change server password (done)
 - Enter maintenance mode (done)
 - Backup server (done)
 - Restore from backup (done)
 - Install license key (done)
VM:
 - Install Xenserver tools (done)
 - Start in Recovery mode (done)
Storage:
 - dettach/reattach/forget/delete (done)
 - Allow creation of local storage option:
   xe sr-create name-label=LocalISOLibrary type=iso device-config:legacy_mode=true device-config:location=/opt/images content-type=iso

Other:
  - Install last patchs
  - New Storage -> Hardware HBA (done)
  - Send Ctrl alt del
  - Clean code


Use text:
HOST_NOT_LIVE: Unreachable
VM_REQUIRES_SR: Cannot see required storage
HOST_NOT_ENOUGH_FREE_MEMORY: Host has not enough free memory