... but an alternate approach via pthread_kill. This is somewhat safer as we
do not need to think about the cancel-safeness of all libraries we use.
However, not all inputs can easily supported, so this now is a feature
that can be requested by the input module (the most important ones
request it).

Conflicts:
	ChangeLog

... only those things that were obvious (and puzzled people looking at
the code without konwing the subtle issues of HUP ;)).

... but the rest of the code is not yet cleaned-up. Will do that
slowly over time... (huge potential, but must be done carefully)

... was not well maintained at all, now refering to git

Conflicts:
	ChangeLog
	configure.ac
	doc/manual.html