lbn-install: allow forcing HTTP instead of EOS
After !298 (merged) lbn-install
uses EOS by default, but that works only for users in the right AFS/Kerberos group. For unauthenticated installations we need to be able to force HTTP.
After !298 (merged) lbn-install
uses EOS by default, but that works only for users in the right AFS/Kerberos group. For unauthenticated installations we need to be able to force HTTP.