Working on prototype of JSON configuration - simple configuration based
on JSON and JSON Schema.
Merge branch 'master' of https://github.com/3rdstage/exercise.git

Conflicts:
	exercise-2008/src/main/java/thirdstage/util/config/json/ConfigurationMeta.java
	exercise-2008/src/main/java/thirdstage/util/config/json/ConfigurationMetaLoader.java
	exercise-2008/src/main/java/thirdstage/util/config/json/DefaultConfigurationMetaLoader.java
	exercise-2008/src/main/java/thirdstage/util/config/json/DefaultPropertyMeta.java
	exercise-2008/src/main/java/thirdstage/util/config/json/PropertyMetaFactory.java
	exercise-2008/src/main/java/thirdstage/util/config/json/SubjectMeta.java