when installing in debian, pin/prioritize the repo

Signed-off-by: Alfredo Deza <alfredo.deza@inktank.com>
add a remote helper to pin repos

Signed-off-by: Alfredo Deza <alfredo.deza@inktank.com>
Merge pull request #243 from alfredodeza/9319

set priority on apt distros
test the fix for text versions

Signed-off-by: Alfredo Deza <alfredo.deza@inktank.com>
fallback to 0 for text garbage

Signed-off-by: Alfredo Deza <alfredo.deza@inktank.com>
Merge pull request #244 from alfredodeza/9624

handle the weirdness we do for `sid` releases of debian