space function correctly

Signed-off-by: Alfredo Deza <alfredo.deza@inktank.com>
concatenate keyring files to be seeded into remote nodes

Signed-off-by: Alfredo Deza <alfredo.deza@inktank.com>
add tests to both new utilities

Signed-off-by: Alfredo Deza <alfredo.deza@inktank.com>
add help menu to keyring flag

Signed-off-by: Alfredo Deza <alfredo.deza@inktank.com>
fix assertions so non-deterministic writes can be asserted

Signed-off-by: Alfredo Deza <alfredo.deza@inktank.com>
Merge pull request #235 from alfredodeza/9118

allow to concatenate a bunch of keyrings for seeing new monitors
document the --keyrings flag

Signed-off-by: Alfredo Deza <alfredo.deza@inktank.com>