Set release version: 6.0.0.Beta1
added 6.0.0.Beta1 compatibility
version to 6.0.0-SNAPSHOT
allow to provide a configuration when creating a KieBase or a KieSession
modified Chapter-ReleaseNotes.xml
Merge branch 'master' of github.com:droolsjbpm/droolsjbpm-knowledge

Set version agin to 6.0.0-SNAPSHOT
n&n: optaplanner improvements etc
added validate method for runtime manager to ensure only valid context can use given runtime
refactor of Runtime to RuntimeEngine
Add package org.drools.compiler.builder.impl, org.drools.core.impl in the osgi import package section
Add package org.drools.core.concurrent in the osgi import package section