virtinstall: add some quirks

Some OS names are different under libosinfo, add quirks to be
backward compatible.

Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
virt-manager: add dependency to libosinfo

Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
tests: fix to not fail with libosinfo

Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
osdict: expose libosinfo minimum resources for an OS

Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
virtManager: by default use the minimum resources to run an OS

Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>