lxc 0.9 uses btrfs by default and that collides with our own logic, add work around

git-svn-id: https://svn.qindel.com/repos/main/projects/qindel/QVD/src/trunk@19270 4046b530-fbad-4e16-af16-ee11f0b55167
add support for images compressed with xz utility

git-svn-id: https://svn.qindel.com/repos/main/projects/qindel/QVD/src/trunk@19271 4046b530-fbad-4e16-af16-ee11f0b55167
query had syntax error

git-svn-id: https://svn.qindel.com/repos/main/projects/qindel/QVD/src/trunk@19272 4046b530-fbad-4e16-af16-ee11f0b55167
ClusterMonitor was taging hosts as lost before they come out of the starting state

git-svn-id: https://svn.qindel.com/repos/main/projects/qindel/QVD/src/trunk@19273 4046b530-fbad-4e16-af16-ee11f0b55167
L7R was not sending notification for inmediate handling of VM cmd

git-svn-id: https://svn.qindel.com/repos/main/projects/qindel/QVD/src/trunk@19274 4046b530-fbad-4e16-af16-ee11f0b55167