* fix worker group config no effect

* remove codehaus janino jar
the license about janino maybe not compatiable with Apache v2

* Merge remote-tracking branch 'upstream/dev-1.3.0' into dev-1.3.0

# Conflicts:
#	dolphinscheduler-server/src/main/resources/config/install_config.conf

* datasource config

* Update datasource.properties

* fix RunConfig bug

* remove param monitor server state

* fix table T_DS_ALERT

* update h2 database

* fix #2910 master server will show exception for some time when it restart

* fix oom when no master is active

* fix worker oom when master server restart

* fix oom

* fix

* add UT

* fix worker group config no effect

* fix singe resource manager will NPE

* Update HadoopUtilsTest.java