Setup PicketLink, add some sample Annotations
Simple test of auth functionality
Merge very old branch with picket link

Conflicts:
	power-consumption/pom.xml
	power-consumption/src/main/java/cz/muni/fi/pv243/powerconsumption/service/MeasurementService.java
	power-consumption/src/main/java/cz/muni/fi/pv243/powerconsumption/util/Resources.java
	power-consumption/src/main/resources/META-INF/persistence.xml
	power-consumption/src/main/webapp/WEB-INF/beans.xml
	power-consumption/src/main/webapp/WEB-INF/faces-config.xml
Merge branch 'auth'
Implement login and logout
Merge remote-tracking branch 'origin/master'

Conflicts:
	power-consumption/src/main/java/cz/muni/fi/pv243/powerconsumption/service/impl/RoomPriceServiceImpl.java