Not advertised topic issue solved (needed one client per topic). ROSBridge::subscribe is very slow (300ms).

USe correct number of available channels

Fix broken NO_SERIAL_LINK build

Support STATUSTEXT_LONG

On desktop (Ethernet connection), the ground unit pushes UDP directly, which makes the use of an actual "Link" not possible. Instead, I've moved all of Taisync support to a "manager" owned by QGCToolbox.
Added a Taisync settings with some basics already wired and running.

Three components for better testing