issue #709

* 709_bionic: feat: new Lubuntu Bionic ISOs

issue #709

* 709_bionic: feat: new Xubuntu Bionic ISOs issue #709

* 709_bionic: feat: Added Bionic's XMLs and volumes. issue #706

* 709_bionic: fix: Added cdrom controller. issue #709.

* Change this
for this

* 709_bionic: feat: new Kubuntu Bionic ISOs. issue #709.

* 709_bionic: fix: new xml for 32 bit bionic machines. issue #709

* replaced kubuntu by bionic

* 709_bionic: fix: new xml for Bionic 32 bits. issue #709

* Changing architecture and machine type

issue #709

* 709_bionic: fix: Changes to both bionic xml. issue #709.

* Changing HDD IDE to VirtIO in Bionic 32 and 64 bits

issue #709

* fix(iso): SWAP volume appears as VDA

When adding the new disk, it hunts for firs free slot.
As slot 5 was not in use, as in other XMLs, it is chosen.

issue #709