webserver: shortlog

shortlog

Sat, 13 Jan 2018 18:48:19 +0100	Olaf Wintermann	replaces eventfd with pipe and closes aio branch aio	changeset \| files
Sat, 13 Jan 2018 16:44:05 +0100	Olaf Wintermann	moves IOStream creation to the sessionhandler aio	changeset \| files
Fri, 12 Jan 2018 18:36:47 +0100	Olaf Wintermann	adds IO threadpool aio	changeset \| files