gtimer: fix live lock problem caused by wrong clock usage
(cherry picked from commit 21e1e548caed34efb7b90aa650d06f12797d5f30)
dvb: demux setup code went missing!
(cherry picked from commit e9ce02138e81d0dd94a2b155e57fda282063c008)
Fix #1674 - remove spurious (info) log message before daemon().
(cherry picked from commit 43326e2d4580d7d3a8af815c212ea2317d82544d)
support: some updates to build system
(cherry picked from commit 4e7506abbed9faa65d9230ca9b406469403e94d9)

Conflicts:

	support/apt-update