Added javadoc
Added Java Docs
Merge branch 'master' of https://github.com/diegorugg/jemma into diegorugg-master

Conflicts:
	jemma.osgi.javagal/src/main/java/org/energy_home/jemma/javagal/layers/PropertiesManager.java
	jemma.osgi.javagal/src/main/java/org/energy_home/jemma/javagal/layers/business/implementations/ZdoManager.java