virsh: Implement vshTable API to pool-list
virsh: Implement vshTable API to pool-list

Local lengthy unicode-unreliable table formatting was replaced by new
API. Great example of how new API saves space and time.
Removed a lot of string lenght canculation used by the local table.

Signed-off-by: Simon Kobyda <4431e4d5c11679b57d448bfd18482866452e91b3@redhat.com>

fabianfreyer/libvirt,crobinso/libvirt,eskultety/libvirt,jfehlig/libvirt,olafhering/libvirt,zippy2/libvirt,andreabolognani/libvirt,eskultety/libvirt,nertpinx/libvirt,crobinso/libvirt,nertpinx/libvirt,eskultety/libvirt,jardasgit/libvirt,zippy2/libvirt,jardasgit/libvirt,libvirt/libvirt,jfehlig/libvirt,jardasgit/libvirt,eskultety/libvirt,libvirt/libvirt,nertpinx/libvirt,jfehlig/libvirt,eskultety/libvirt,olafhering/libvirt,olafhering/libvirt,jfehlig/libvirt,andreabolognani/libvirt,crobinso/libvirt,fabianfreyer/libvirt,nertpinx/libvirt,crobinso/libvirt,nertpinx/libvirt,jardasgit/libvirt,andreabolognani/libvirt,fabianfreyer/libvirt,olafhering/libvirt,libvirt/libvirt,zippy2/libvirt,fabianfreyer/libvirt,jardasgit/libvirt,zippy2/libvirt,andreabolognani/libvirt,andreabolognani/libvirt,fabianfreyer/libvirt,libvirt/libvirt