Add environment variables config to beam samza

theodolite-benchmarks/uc1-beam-samza/samza-standalone.properties

 # runner
 app.runner.class=org.apache.samza.runtime.LocalApplicationRunner
 
+job.config.rewriters=env-config
+job.config.rewriter.env-config.class=org.apache.samza.config.EnvironmentConfigRewriter
+
 # zk
 job.coordinator.factory=org.apache.samza.zk.ZkJobCoordinatorFactory
 #job.coordinator.zk.connect=my-confluent-cp-zookeeper:2181

theodolite-benchmarks/uc2-beam-samza/samza-standalone.properties

 # runner
 app.runner.class=org.apache.samza.runtime.LocalApplicationRunner
 
+job.config.rewriters=env-config
+job.config.rewriter.env-config.class=org.apache.samza.config.EnvironmentConfigRewriter
+
 # zk
 job.coordinator.factory=org.apache.samza.zk.ZkJobCoordinatorFactory
 #job.coordinator.zk.connect=my-confluent-cp-zookeeper:2181

theodolite-benchmarks/uc3-beam-samza/samza-standalone.properties

 # runner
 app.runner.class=org.apache.samza.runtime.LocalApplicationRunner
 
+job.config.rewriters=env-config
+job.config.rewriter.env-config.class=org.apache.samza.config.EnvironmentConfigRewriter
+
 # zk
 job.coordinator.factory=org.apache.samza.zk.ZkJobCoordinatorFactory
 #job.coordinator.zk.connect=my-confluent-cp-zookeeper:2181

theodolite-benchmarks/uc4-beam-samza/samza-standalone.properties

 # runner
 app.runner.class=org.apache.samza.runtime.LocalApplicationRunner
 
+job.config.rewriters=env-config
+job.config.rewriter.env-config.class=org.apache.samza.config.EnvironmentConfigRewriter
+
 # zk
 job.coordinator.factory=org.apache.samza.zk.ZkJobCoordinatorFactory
 #job.coordinator.zk.connect=my-confluent-cp-zookeeper:2181