v0.19.4-libgit-rc

Upgrade libgit2 to libgit2-1.3.0-1

Signed-off-by: Paulo Gomes <paulo.gomes@weave.works>

v0.19.3-test

Fix host mismatch in libgit2

Depending on libgit2 version or from its dependencies, the hostname may or may not contain ports

Signed-off-by: Paulo Gomes <paulo.gomes@weave.works>