* rename from DatasourceUserMapper to DataSourceUserMapper
* add unit test in UserMapper and WorkerGroupMapper
* change cn.escheduler to org.apache.dolphinscheduler
* add unit test in UdfFuncMapperTest
* add unit test in UdfFuncMapperTest
* remove DatabaseConfiguration
* add ConnectionFactoryTest
* cal duration in processInstancesList
* change desc to description
* change table name in mysql ddl
* change table name in mysql ddl
* change escheduler to dolphinscheduler
* change escheduler to dolphinscheduler
* change escheduler to dolphinscheduler
* service start exception modify
* master,worker start modify
* .env update
* install-escheduler-ui.sh,monitor_server.py and install.sh scripts comment change to english and install-escheduler-ui.sh use escheduler change to dolphinscheduler
* scripts name standardization
* service start exception modify
* master,worker start modify
* .env update
* install-escheduler-ui.sh,monitor_server.py and install.sh scripts comment change to english and install-escheduler-ui.sh use escheduler change to dolphinscheduler