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 (#812)

* 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