Use bufio.Reader instead of bufio.Scanner for lines.Send
Conversation: https://gitlab.com/gitlab-org/gitaly/issues/384
Fixes https://gitlab.com/gitlab-org/gitaly/issues/486.
bufio.Scanner
has a limit on how long a token can be, which would make parsing commits with a very long message (e.g. this commit) fail.
Edited by Andrew Newdigate