fix bug 569 to resolve schedule doesn't really stop

fix bug 569 to resolve schedule doesn't really stop

check tenant exists when running a process

fix bug that the task instance of MR cannot stop in some cases. #516

thanks for fix bug that the task instance of MR cannot stop in some cases. #516

update dag.vue remove console log

 add note

 determine whether the tenant path exists when the tenant deletes and user chanage tenant update

install.sh update

1.update upgrade and create log tips
2.remove escheduler.sql and quartz.sql

remove escheduler.sql and quartz.sql

update upgrade and create log tips

update email regex

get master/worker informations from zookeeper

delete nouse code

 Constants XXXXXX update

The start time must not be the same as the end