PropertyLoader: Spring
ConfigBuilder: implemented PropertiesExtractor, removed AnnotationHelper/ConfigLoader
Merge remote-tracking branch 'TNG/matthiasWIP' into matthiasWIP

Conflicts:
	src/main/java/com/tngtech/configbuilder/annotations/CommandLineValue.java
	src/main/java/com/tngtech/configbuilder/annotations/DefaultValue.java
	src/main/java/com/tngtech/configbuilder/annotations/PropertyValue.java