lxc: Add a "rename" alias
lxc: Add a "rename" alias

Closes #2320
Closes #2329

Signed-off-by: Carlos Neira <e2e10d1ec30c13e213f14c256b17248f01767060@gmail.com>

chrisglass/lxd,mjeanson/lxd,stgraber/lxd,erikmack/lxd,stgraber/lxd,stgraber/lxd,akshaykarle/lxd,georghopp/lxd,lxc/lxd,Skarlso/lxd,techtonik/lxd,hallyn/lxd,stgraber/lxd,chrisglass/lxd,hallyn/lxd,lxc/lxd,Skarlso/lxd,georghopp/lxd,mjeanson/lxd,hallyn/lxd,stgraber/lxd,Skarlso/lxd,akshaykarle/lxd,jsavikko/lxd,lxc/lxd,atxwebs/lxd,erikmack/lxd,techtonik/lxd,lxc/lxd,pcdummy/lxd,chrisglass/lxd,stgraber/lxd,jsavikko/lxd,hallyn/lxd,pcdummy/lxd,jsavikko/lxd,mjeanson/lxd,lxc/lxd,ollie314/lxd,georghopp/lxd,atxwebs/lxd,lxc/lxd,erikmack/lxd,stgraber/lxd,hallyn/lxd,ollie314/lxd,hallyn/lxd,Skarlso/lxd,atxwebs/lxd,atxwebs/lxd,akshaykarle/lxd,techtonik/lxd,pcdummy/lxd,lxc/lxd,ollie314/lxd