Use lower-case values for boolean configs (#309)

Author: style95

docker-compose/docker-whisk-controller.env

@@ -43,18 +43,18 @@ CONFIG_whisk_userEvents_enabled=true
 
 CONTROLLER_BLACKBOXFRACTION=0.10
 CONTROLLER_OPTS=-Dcom.sun.management.jmxremote -Dcom.sun.management.jmxremote.ssl=false -Dcom.sun.management.jmxremote.authenticate=false -Dcom.sun.management.jmxremote.port=1098 -Xdebug -Xrunjdwp:transport=dt_socket,address=9222,server=y,suspend=n
-CONTROLLER_HA=False
+CONTROLLER_HA=false
 CONTROLLER_INSTANCES=1
 CONTROLLER_LOCALBOOKKEEPING=true
 
-METRICS_KAMON=False
-METRICS_LOG=True
+METRICS_KAMON=false
+METRICS_LOG=true
 CONFIG_kamon_statsd_port=8125
 
 LOADBALANCER_ACTIVATIONCOUNTBEFORENEXTINVOKER=10
 LOADBALANCER_USERMEMORY=1024m
 
-CONFIG_whisk_docker_containerFactory_useRunc=False
+CONFIG_whisk_docker_containerFactory_useRunc=false
 INVOKER_OPTS=-Dcom.sun.management.jmxremote -Dcom.sun.management.jmxremote.ssl=false -Dcom.sun.management.jmxremote.authenticate=false -Dcom.sun.management.jmxremote.port=1098 -Xdebug -Xrunjdwp:transport=dt_socket,address=9222,server=y,suspend=n
 INVOKER_INSTANCES=1