Create a filelist of packages to include in the repo
Use this filelist with createrepo and a baseurl to create
the repodata. Add a config option for pkgurl where the packages
can be found via http.
- add --topurl option to koji mock-config
- upload in 64k chunks in incrementalUpload
- best-effort to check when mock has truncated a file and started writing from 0 in BuildRoot.mock()
- improvements to cmdline parsing in koji call
