Conflicts:
	src/main/java/teetime/framework/Execution.java

Conflicts:
	src/main/java/teetime/framework/AbstractRunnableStage.java
	src/main/java/teetime/framework/Configuration.java

Renamed and adopted abstract service methods

parent-child manner and afterwards merged on init

Javadoc

Old execution saved as backup

aborting

renamed exceptionHandler to exceptionListener

current stage should be terminated

<report>