move command to xivo_bus lib

Change-Id: Ic62a9b00aec7b4de9cae1245a513c7a8d76cdb1f
move transport client/server to xivo bus lib

Change-Id: Ib8f83c4ffbb3676313e39850487d7080325ba548
move marshaler to xivo bus lib

Change-Id: I05e6dd6b28b5d1332e3a54ae6af2a8dc88b978d2
move client/server to xivo bus lib

Change-Id: I454a42296cf44c405483ec7d99161a52c05b1acd
rename xivo_bus.ressource to xivo_bus.resources
make AgentClient usable from other modules
move AgentClient to xivo_bus
Merge remote-tracking branch 'origin/xivo_bus_lib'