Fixed some bugs with NPEs and started adding a new instrumentation
singleton
Merge branch 'master' of https://github.com/JUGGL/JMXDemo

Conflicts:
	src/main/java/org/juggl/jmx/example/WebApplication/mbeans/JUGGLTest.java
	src/main/java/org/juggl/jmx/example/WebApplication/mbeans/JUGGLTestMBean.java
	src/main/java/org/juggl/jmx/example/WebApplication/model/Person.java
	src/main/java/org/juggl/jmx/example/WebApplication/rest/JaxRsActivator.java
	src/main/java/org/juggl/jmx/example/WebApplication/rest/PersonService.java
	src/main/java/org/juggl/jmx/example/WebApplication/util/Resources.java