mild refactor in prep for epoll support
milestone: first rough PoC of epoll() support
removing memleaks in epoll support
Merge branch 'master' into master-epoll
Merge branch 'master' into master-epoll
cosmetic: unify debug header
add API for reporting library generic errors
make use of new error-reporting facility
Merge branch 'master-epoll'

Conflicts:
	ChangeLog
	configure.ac