add toString to RuleEngineOption
Fix small javadoc typos and add missing license headers for kie-api
Add missing license headers in kie-internal
Merge pull request #45 from psiroky/typos-and-heders

Fixed few javadoc typos and added missing license headers for kie-api and kie-internal
Added missing image file
Merge branch 'master' of github.com:droolsjbpm/droolsjbpm-knowledge
n&n: merge release notes of Beta1 and Beta4 into 6.0.0 overall (preparation for Final release)
planner n&n
upgrade to 6.1.0-SNAPSHOT, (uberfire 0.4.0-SNAPSHOT)
update doc, m2 editor section
Rename parent pom from org.drools:droolsjbpm-parent to org.kie:kie-build-parent
Rename parent pom (originally org.drools:droolsjbpm-parent) from org.kie:kie-build-parent to org.kie:kie-parent-with-dependencies (Fix mistake)
user-facing BOM documentation
JBPM-4090 - Provide async work item handler that utilize jbpm executor - added executor api