news: Tweak existing v3.3.0 entries
news: Tweak existing v3.3.0 entries

Some of the content was not following the (loosely established)
style, and some of the XML was not aligned properly.

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