Merge branch 'bug30806'

changes/ticket30806

src/app/main/main.c

src/app/main/shutdown.c

src/app/main/subsystem_list.c

src/lib/evloop/.may_include

src/lib/evloop/evloop_sys.c

src/lib/evloop/evloop_sys.h

src/lib/evloop/include.am

src/test/test_channelpadding.c

src/test/test_compat_libevent.c