Add f26 to the supported distros

The only mentionable diff is the kvm alias
does not exists so we will install
qemu-kvm as with rhel7 which also exists
in the older supported fedoras.

kvm also just an alias in suse so
switching to qemu-kvm  in suse as well.

Change-Id: I5c79ad1ef0b11dba30c931a59786f9eb7e7f8587
diff --git a/lib/nova_plugins/functions-libvirt b/lib/nova_plugins/functions-libvirt
index 3e38b89..8d74c77 100644
--- a/lib/nova_plugins/functions-libvirt
+++ b/lib/nova_plugins/functions-libvirt
@@ -73,15 +73,7 @@
         #pip_install_gr <there-si-no-guestfs-in-pypi>
     elif is_fedora || is_suse; then
         # On "KVM for IBM z Systems", kvm does not have its own package
-        if [[ ! ${DISTRO} =~ "kvmibm1" && ! ${DISTRO} =~ "rhel7" ]]; then
-            install_package kvm
-        fi
-
-        if [[ ${DISTRO} =~ "rhel7" ]]; then
-            # This should install the latest qemu-kvm build,
-            # which is called qemu-kvm-ev in centos7
-            # (as the default OS qemu-kvm package is usually rather old,
-            # and should be updated by above)
+        if [[ ! ${DISTRO} =~ "kvmibm1" ]]; then
             install_package qemu-kvm
         fi