branch wip-actors created (now edb8571)

[Ludovic Courtès]

civodul pushed a change to branch wip-actors.

      at edb8571  http: Add /jobset/SPEC/hook/push route to trigger a jobset.

This branch includes the following new commits:

     new e3d80aa  base: Split jobset evaluation into several actors.
     new 6255aa7  config: Define '%runstatedir'.
     new f6ba99d  register: Listen for commands on a "bridge" socket.
     new 0f816f2  http: Send jobset registration requests to the bridge.
     new 6a12071  utils: Add 'get-message*'.
     new edb8571  http: Add /jobset/SPEC/hook/push route to trigger a jobset.