Improve docs about compiling libvirt from GIT
Improve docs about compiling libvirt from GIT

Add a note about setting the LIBVIRT_DRIVER_DIR env variable,
explain --system and fix example to use --disable-werror

datto/libvirt,elmarco/libvirt,dumbbell/libvirt,emaste/libvirt,shugaoye/libvirt,agx/libvirt,bjzhang/libvirt,libvirt/libvirt,shugaoye/libvirt,shugaoye/libvirt,cbosdo/libvirt,zippy2/libvirt,rmarwaha/libvirt,wiedi/libvirt,iam-TJ/libvirt,iam-TJ/libvirt,andreabolognani/libvirt,elmarco/libvirt,trainstack/libvirt,novel/fbsd-libvirt,andreabolognani/libvirt,rmarwaha/libvirt,VenkatDatta/libvirt,trainstack/libvirt,jardasgit/libvirt,dumbbell/libvirt,taget/libvirt,jeckersb/libvirt,novel/fbsd-libvirt,jeckersb/libvirt,cbosdo/libvirt,shugaoye/libvirt,andreabolognani/libvirt,crobinso/libvirt,zhlcindy/libvirt-1.1.4-maintain,bjzhang/libvirt,iam-TJ/libvirt,bjzhang/libvirt,cbosdo/libvirt,jfehlig/libvirt,dumbbell/libvirt,rlaager/libvirt,andreabolognani/libvirt,fabianfreyer/libvirt,zhlcindy/libvirt-1.1.4-maintain,novel/fbsd-libvirt,emaste/libvirt,warewolf/libvirt,trainstack/libvirt,zippy2/libvirt,jfehlig/libvirt,elmarco/libvirt,warewolf/libvirt,emaste/libvirt,eskultety/libvirt,rmarwaha/libvirt1,olafhering/libvirt,olafhering/libvirt,siboulet/libvirt-openvz,elmarco/libvirt,warewolf/libvirt,datto/libvirt,datto/libvirt,emaste/libvirt,wiedi/libvirt,zhlcindy/libvirt-1.1.4-maintain,novel/fbsd-libvirt,taget/libvirt,eskultety/libvirt,rmarwaha/libvirt1,warewolf/libvirt,taget/libvirt,agx/libvirt,rmarwaha/libvirt,libvirt/libvirt,VenkatDatta/libvirt,trainstack/libvirt,rmarwaha/libvirt,agx/libvirt,jardasgit/libvirt,eskultety/libvirt,cbosdo/libvirt,eskultety/libvirt,rlaager/libvirt,andreabolognani/libvirt,jfehlig/libvirt,rmarwaha/libvirt,novel/fbsd-libvirt,iam-TJ/libvirt,wiedi/libvirt,dumbbell/libvirt,cbosdo/libvirt,zippy2/libvirt,bjzhang/libvirt,jardasgit/libvirt,siboulet/libvirt-openvz,trainstack/libvirt,nertpinx/libvirt,datto/libvirt,zippy2/libvirt,fabianfreyer/libvirt,rmarwaha/libvirt,fabianfreyer/libvirt,olafhering/libvirt,crobinso/libvirt,emaste/libvirt,trainstack/libvirt,dumbbell/libvirt,wiedi/libvirt,zhlcindy/libvirt-1.1.4-maintain,agx/libvirt,trainstack/libvirt,nertpinx/libvirt,novel/fbsd-libvirt,warewolf/libvirt,jeckersb/libvirt,VenkatDatta/libvirt,novel/fbsd-libvirt,emaste/libvirt,bjzhang/libvirt,rmarwaha/libvirt1,rmarwaha/libvirt1,jeckersb/libvirt,wiedi/libvirt,rmarwaha/libvirt1,shugaoye/libvirt,iam-TJ/libvirt,crobinso/libvirt,crobinso/libvirt,rmarwaha/libvirt1,siboulet/libvirt-openvz,siboulet/libvirt-openvz,libvirt/libvirt,wiedi/libvirt,iam-TJ/libvirt,olafhering/libvirt,rlaager/libvirt,dumbbell/libvirt,warewolf/libvirt,nertpinx/libvirt,nertpinx/libvirt,novel/fbsd-libvirt,jeckersb/libvirt,jardasgit/libvirt,warewolf/libvirt,taget/libvirt,rlaager/libvirt,nertpinx/libvirt,novel/fbsd-libvirt,fabianfreyer/libvirt,wiedi/libvirt,jeckersb/libvirt,VenkatDatta/libvirt,libvirt/libvirt,eskultety/libvirt,jeckersb/libvirt,VenkatDatta/libvirt,fabianfreyer/libvirt,emaste/libvirt,iam-TJ/libvirt,jardasgit/libvirt,agx/libvirt,jfehlig/libvirt,elmarco/libvirt,siboulet/libvirt-openvz,rlaager/libvirt,datto/libvirt,zhlcindy/libvirt-1.1.4-maintain,taget/libvirt