make build-rpm-repo detect architecture and change rpmbuild directory
do architecture detection in build-deb-repo
tadd new repo architectures for deb and rpm
add package contents files that reflect name arch packaging format and  version
standardise rpm packages and make them work on i386 and x86_64
add x64 rpms
Add test cases for package upgrade scenario.
Only delete the packages which you are about to build.
Use fakeroot when building to avoid sudo requirement.