kie-api: replace ydoc doclet with APIviz
kie-api: replace ydoc doclet with APIviz

 * closes #128

winklerm/drools,manstis/drools,winklerm/drools,Multi-Support/droolsjbpm-knowledge,droolsjbpm/droolsjbpm-knowledge,manstis/drools,manstis/drools,winklerm/drools,winklerm/drools,winklerm/drools,manstis/drools,Multi-Support/droolsjbpm-knowledge,reynoldsm88/droolsjbpm-knowledge,reynoldsm88/droolsjbpm-knowledge,droolsjbpm/droolsjbpm-knowledge,manstis/drools