Add JMX memory monitoring Spring bean to both application server and datastore server.

...ce/java/ch/systemsx/cisd/common/jmx/JMXMemoryMonitor.java

.../systemsx/cisd/common/jmx/JMXMemoryMonitorSprintBean.java

datastore_server/dist/etc/service.properties

datastore_server/source/java/dssApplicationContext.xml

openbis/dist/server/service.properties

openbis/source/java/genericApplicationContext.xml