Core: Fix broken MultiADC_t Short_t/UShort_t conversion by using Int_t
Core/User: Merging "upgrade" branch from daq-master to A2-dev/A2GoAT

This adds a lot of new files which are actually not needed for
analysis, but there are often code changes which get implemented first
in the online analysis on daq-master, thus we should keep the data
acquisition code and the subsequent offline analysis in sync.

The reported conflict in TA2UserAnalysis was just some class
instantiation problem, hopefully.

The actual source of the merge was neiser/cb-pattern, which is rebased
on neiser/upgrade, neiser/beampolmon, neiser/speedtaps (probably
already deleted on upstream).

Conflicts:
	acqu_user/root/src/TA2UserAnalysis.cc