update
Merge https://github.com/rainkid/cron-mysql

Conflicts:
	Makefile.am
	README
	configure.in
	doc/autoconf.pdf
	doc/automake.pdf
	doc/help.txt
	doc/task.sql
	install-server.sh
	src/Makefile.am
	src/base64.c
	src/base64.h
	src/config.c
	src/config.h
	src/define.h
	src/list.c
	src/list.h
	src/mail.c
	src/mail.h
	src/util.c
	src/util.h
	task.conf
	tasks.conf