server: Make object hash table per-client
server: Make object hash table per-client

mchalupa/wayland,mchalupa/wayland,abooij/wayland,tulcod/wayland,eyolfson/wayland,eyolfson/wayland,abooij/wayland,tulcod/wayland,sir-murray/wayland,sir-murray/wayland,bitfactor/wayland,bitfactor/wayland,eyolfson/wayland,sir-murray/wayland,bitfactor/wayland,abooij/wayland,mchalupa/wayland,tulcod/wayland