Dummy DTB: comment unused parameter.
pxarcore: add helper function to print all flags shipped
pxarcore: slight changes to listFlags helper function, use it everywhere
in the HAL functions.
Dummy DTB: init rand() at startup.
Dummy DTB: add noise hits to readout if full chip is unmasked
(in 50% if the cases)
HAL: add necessary functions for controlling the clock source
APICHANGE & NEW FIRMWARE 3.2: now enables support for external clocks.
setClockSource() has been renamed to setExternalClock(bool), Version
bumped.