Bug uit simulationtest fixed
Battery widget bug fixed
Minor change in demo.bndrun and log configuration.
Merge branch '5-fix-battery-manager' of github.com:flexiblepower/fpai-devices into 5-fix-battery-manager
Java doc added
Added trace logging to a seperate file
Merge remote-tracking branch 'origin/5-fix-battery-manager' into development

Conflicts:
	cnf/logback.xml
	flexiblepower.devices.intergration.test/src/org/flexiblepower/simulation/battery/test/BatteryIntegrationTest.java
	flexiblepower.devices.intergration.test/src/org/flexiblepower/simulation/battery/test/BatterySimulationTest.java