Added python-libvirt in package dependencies

debian/control

@@ -8,7 +8,7 @@ Standards-Version: 3.9.1
 
 Package: cc-node
 Architecture: all
-Depends: ${misc:Depends}, ${python:Depends}, python-sjrpc, python-psutil
+Depends: ${misc:Depends}, ${python:Depends}, python-sjrpc, python-psutil, python-libvirt
 XB-Python-Version: ${python:Versions}
 Description: CloudControl node
  This package provides node of CloudControl.