JFG-612 Make services available in decision maker
Merge remote-tracking branch 'remotes/origin/JFG-612' into JFG-612

Conflicts:
	chassis/core/src/main/java/com/griddynamics/jagger/engine/e1/services/ServicesAware.java
	chassis/core/src/main/java/com/griddynamics/jagger/engine/e1/sessioncomparation/TestGroupDecisionMakerListener.java
	chassis/core/src/main/java/com/griddynamics/jagger/master/CompositeTask.java
	chassis/core/src/main/java/com/griddynamics/jagger/user/TestGroupConfiguration.java
	chassis/spring.schema/src/main/java/com/griddynamics/jagger/xml/JaggerNamespaceHandler.java
	chassis/spring.schema/src/main/java/com/griddynamics/jagger/xml/beanParsers/XMLConstants.java
	chassis/spring.schema/src/main/java/com/griddynamics/jagger/xml/beanParsers/configuration/TestDefinitionParser.java
	chassis/spring.schema/src/main/resources/config-schema.xsd