tmate-2.2.1-bp150.2.4

- Update to 2.2.1
  * Reconnection implemented
  * Bug fixes in synchronizing the key bindings
  * webhooks support added: https://github.com/tmate-io/tmate/wiki/Webhooks

- At least msgpack 1.1.0 is requried

- Update to 2.2.0
- add libmsgpack-devel as tmate links to it
  libmsgpackc-devel is used for the pure C header
- Drop tmate-1.8.9-system_libs.patch
  tmate now uses system libs by default

- Build with system msgpack.

- Build with system libssh.

- Initial package