Post-release version bump to 2.2.0
Post-release version bump to 2.2.0

Signed-off-by: Michal Privoznik <83d82aaba2eed257f4814b0c239c260c4caaadf0@redhat.com>

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