JBRULES-2792 Provide accessability of types and metadata for declared types

JBRULES-2792 Provide accessability of types and metadata for declared types

JBRULES-2792 Provide accessability of types and metadata for declared types
Set release version: 6.0.0.Alpha7 (0.1.1.Final for UberFire)
Set release version: 6.0.0-SNAPSHOT (0.2.0-SNAPSHOT for UberFire)
release notes stub
JBPM-3902: Avoid updating ProcessInstanceInfo in
JPAProcessInstanceManager.getProcessInstance()
Update droolsjbpm-introduction-docs/src/main/docbook/en-US/Chapter-Release_Notes/Section-What_is_new_Drools_6.0.0.Beta1.xml

fixing id conflict
added HTML escape
added a few 'f', corrected javadoc
Fixed the broken javadoc
removed another copy/paste nonsense
removed a strange, stray word
removed an incomplete sentence
grammar, etc
JBPM-3512 - Allow developer-defined correlationId in addition to processInstanceId
Fix and update javadocs in KieBase

Fixed copy & paste errors in javadocs.
Minor updates to the javadocs:
 - using @link when appropriate
 - multiple small updates/enhancements
Set release version: 6.0.0.Alpha8
Set next development version: 6.0.0-SNAPSHOT
Set release version: Drools 6.0.0.Alpha9 and uberfire 0.2.0.Alpha2
Set next development version: 6.0.0.-SNAPSHOT and uberfire 0.2.0-SNAPSHOT
Rename Drools Planner to OptaPlanner: maven groupId's and artifactId's