Add two cron
	modified:   src/WEB-INF/cron.xml
	modified:   src/WEB-INF/web.xml
	deleted:    src/yueyuedesgj/Mail.java
	src/yueyuedesgj/Birthday.java
	src/yueyuedesgj/Month.java
Add two cron job
	new file:   src/yueyuedesgj/Birthday.java
	new file:   src/yueyuedesgj/Month.java