Rename package jmx to monitoring and move class ThreadDump to it.

.../ch/systemsx/cisd/common/monitoring/JMXMemoryMonitor.java

...sx/cisd/common/monitoring/JMXMemoryMonitorSpringBean.java

...e/java/ch/systemsx/cisd/common/monitoring/ThreadDump.java

datastore_server/source/java/dssApplicationContext.xml

...bis/generic/server/ServerExceptionTranslatingAdvisor.java

openbis/source/java/genericApplicationContext.xml