Fix ordering of <exports> in API description file
Fix ordering of <exports> in API description file

* docs/apibuild.py: Make uniq() function sort keys before returning
  them to ensure consitent ordering of <exports> in XML file

rmarwaha/libvirt,novel/fbsd-libvirt,soulxu/libvirt-xuhj,nertpinx/libvirt,elmarco/libvirt,bjzhang/libvirt,andreabolognani/libvirt,crobinso/libvirt,eskultety/libvirt,shugaoye/libvirt,warewolf/libvirt,novel/fbsd-libvirt,bjzhang/libvirt,fabianfreyer/libvirt,jeckersb/libvirt,trainstack/libvirt,elmarco/libvirt,rlaager/libvirt,cbosdo/libvirt,eskultety/libvirt,zippy2/libvirt,leilihh/libvirt,danwent/libvirt-ovs,jfehlig/libvirt,wiedi/libvirt,fabianfreyer/libvirt,rmarwaha/libvirt1,kantai/libvirt-vfork,emaste/libvirt,taget/libvirt,eskultety/libvirt,wiedi/libvirt,dumbbell/libvirt,andreabolognani/libvirt,jfehlig/libvirt,foomango/libvirt,rlaager/libvirt,trainstack/libvirt,trainstack/libvirt,sshah-solarflare/Libvirt-PCI-passthrough-,rbu/libvirt,zippy2/libvirt,soulxu/libvirt-xuhj,novel/fbsd-libvirt,emaste/libvirt,shugaoye/libvirt,jfehlig/libvirt,novel/fbsd-libvirt,jardasgit/libvirt,rmarwaha/libvirt1,rmarwaha/libvirt1,zhlcindy/libvirt-1.1.4-maintain,amery/libvirt-vserver,soulxu/libvirt-xuhj,siboulet/libvirt-openvz,cbosdo/libvirt,rlaager/libvirt,leilihh/libvirt,iam-TJ/libvirt,iam-TJ/libvirt,usc-isi/libvirt,elmarco/libvirt,usc-isi/libvirt,trainstack/libvirt,foomango/libvirt,dumbbell/libvirt,cbosdo/libvirt,siboulet/libvirt-openvz,emaste/libvirt,warewolf/libvirt,nertpinx/libvirt,foomango/libvirt,shugaoye/libvirt,taget/libvirt,emaste/libvirt,andreabolognani/libvirt,wiedi/libvirt,agx/libvirt,agx/libvirt,leilihh/libvirt,usc-isi/libvirt,wiedi/libvirt,soulxu/libvirt-xuhj,novel/fbsd-libvirt,emaste/libvirt,datto/libvirt,bjzhang/libvirt,bjzhang/libvirt,crobinso/libvirt,sshah-solarflare/Libvirt-PCI-passthrough-,andreabolognani/libvirt,taget/libvirt,wiedi/libvirt,kantai/libvirt-vfork,jeckersb/libvirt,leilihh/libvirt,agx/libvirt,zhlcindy/libvirt-1.1.4-maintain,jeckersb/libvirt,VenkatDatta/libvirt,iam-TJ/libvirt,datto/libvirt,wiedi/libvirt,elmarco/libvirt,taget/libvirt,olafhering/libvirt,crobinso/libvirt,libvirt/libvirt,zhlcindy/libvirt-1.1.4-maintain,nertpinx/libvirt,amery/libvirt-vserver,taget/libvirt,bjzhang/libvirt,dumbbell/libvirt,iam-TJ/libvirt,iam-TJ/libvirt,novel/fbsd-libvirt,agx/libvirt,VenkatDatta/libvirt,emaste/libvirt,jardasgit/libvirt,rbu/libvirt,rmarwaha/libvirt,amery/libvirt-vserver,usc-isi/libvirt,rbu/libvirt,jardasgit/libvirt,nertpinx/libvirt,siboulet/libvirt-openvz,fabianfreyer/libvirt,eskultety/libvirt,iam-TJ/libvirt,danwent/libvirt-ovs,danwent/libvirt-ovs,rmarwaha/libvirt,leilihh/libvirt,danwent/libvirt-ovs,andreabolognani/libvirt,jeckersb/libvirt,crobinso/libvirt,rmarwaha/libvirt,jfehlig/libvirt,dumbbell/libvirt,olafhering/libvirt,zhlcindy/libvirt-1.1.4-maintain,warewolf/libvirt,wiedi/libvirt,VenkatDatta/libvirt,warewolf/libvirt,shugaoye/libvirt,zippy2/libvirt,elmarco/libvirt,shugaoye/libvirt,datto/libvirt,rlaager/libvirt,libvirt/libvirt,novel/fbsd-libvirt,kantai/libvirt-vfork,fabianfreyer/libvirt,dumbbell/libvirt,VenkatDatta/libvirt,olafhering/libvirt,rlaager/libvirt,olafhering/libvirt,emaste/libvirt,trainstack/libvirt,usc-isi/libvirt,VenkatDatta/libvirt,siboulet/libvirt-openvz,zhlcindy/libvirt-1.1.4-maintain,siboulet/libvirt-openvz,iam-TJ/libvirt,rmarwaha/libvirt,amery/libvirt-vserver,sshah-solarflare/Libvirt-PCI-passthrough-,jeckersb/libvirt,jardasgit/libvirt,libvirt/libvirt,warewolf/libvirt,foomango/libvirt,amery/libvirt-vserver,trainstack/libvirt,jardasgit/libvirt,rmarwaha/libvirt1,fabianfreyer/libvirt,libvirt/libvirt,dumbbell/libvirt,agx/libvirt,datto/libvirt,sshah-solarflare/Libvirt-PCI-passthrough-,nertpinx/libvirt,soulxu/libvirt-xuhj,novel/fbsd-libvirt,sshah-solarflare/Libvirt-PCI-passthrough-,jeckersb/libvirt,warewolf/libvirt,rmarwaha/libvirt1,cbosdo/libvirt,datto/libvirt,leilihh/libvirt,danwent/libvirt-ovs,rmarwaha/libvirt1,trainstack/libvirt,zippy2/libvirt,eskultety/libvirt,rbu/libvirt,cbosdo/libvirt,warewolf/libvirt,jeckersb/libvirt,foomango/libvirt,rbu/libvirt,kantai/libvirt-vfork,rmarwaha/libvirt,novel/fbsd-libvirt,kantai/libvirt-vfork