split of configuration handling into multiple classes
fixed url resource parsing, draft of new object factory
object summoning and test, hot hack-fix for reporters exception handling
switched to pojo property setup
message attributes filtering
Removed execution and performance elements from scenario XML, updated XSD abd created ScenarioParser test.
classes from org.perfcake.message.generator.types package and org.perfcake.util.LinearRegression.java moved to org.perfcake.reporting.util package
'address' property renamed to 'target'
messages now can have references to multiple validators using validatorRef element
Merge branch 'feature/refactor-config-#6' into devel

Finished the feature...