patch 1 includes all the helper function changes for LXC tc running
patch 2 adds LXCXML class, you can use it to define a lxc domain, also you can add more
functions
in it to support more devices
patch 3 changes ComputerSystem.01&03 and related lib to reflect the lxc changes
Signed-off-by: Guolian Yun <yunguol(a)cn.ibm.com>