Support a "repo-name" file indicating the repository name
Support a "repo-name" file indicating the repository name

This is in case it does not match $distfile. i.e. ipfs-cluster
releases 2 binaries from withing the same repository, and we need
to set the repo-name as "ipfs-cluster" for both, so that the links
to changelog and issues works.

ipfs/distributions,ipfs/distributions,ipfs/distributions