bridge, quick_frontend: preparation for async bridge bridge can currently have sync and async methods. This commit prepare the transition to fully async bridges: - a new bridgeConnect method must be called to prepare the bridge - quick app, quick profile manager: changed sync calls to async ones - quick app: bridgeConnect can be called automatically or manually depending on connect_bridge parameter of QuickApp

[D-BUS Service]
Name=org.goffi.SAT
Exec=sat