* add ConnectionFactoryTest and ConnectionFactory read datasource from appliction.yml

* .escheduler_env.sh to dolphinscheduler_env.sh

* dao yml assembly to conf directory

* table name modify

* entity title table  name modify

* logback log name modify

* running through the big process

* running through the big process error modify

* logback log name modify

* data_source.properties rename

* logback log name modify

* install.sh optimization

* install.sh optimization

* command count modify

* command state update

* countCommandState sql update

* countCommandState sql update

* remove application.yml file

* master.properties modify

* install.sh modify

* install.sh modify

* api server startup modify

* the current user quits and the session is completely emptied. bug fix

* remove pom package resources

* update english documents

* refactor zk client

* update documents

* update zkclient

* update zkclient

* update documents

* add architecture-design

* change i18n

* update i18n

* update english documents

* add architecture-design

* update english documents

* update en-US documents

* add architecture-design

* update demo site

* add mybatis plus model

* modify mybatisplus

* modify mybatisplus

* change interface by mybatisplus

update fastjson version，the lower version has a security bug.

* Remove useless dependencies and add jsp-2.1-6.1.14

* Determine if principal is empty in getJdbcUrl method

* fix bug  when register worker but create master node in zookeeper

* Remove useless dependencies such as hive-shims and log4j

* upgrade commons-email from 1.2 to 1.5 and remove mail-1.4.5.jar

add jacoco report plugin for jenkins

* Remove useless dependencies and add jsp-2.1-6.1.14

* Determine if principal is empty in getJdbcUrl method