Fix get vms list function name

The host shutdown function was using a function that does not exist
in the class.

Signed-off-by: Rodrigo Trujillo <rodrigo.trujillo@linux.vnet.ibm.com>
Packaging: add the basemodel.py to src/kimchi/Makefile.am

src/kimchi/basemodel.py is a common model builder and is imported by several models from src/kimchi/model, and it is not in src/kimchi/Makefile.am, so make install, make dist and make rpm do not install or package this file.

Signed-off-by: Paulo Vital <pvital@linux.vnet.ibm.com>