Switches Kibana doc build to asciidoctor

Author: lcawl

conf.yaml

@@ -537,6 +537,7 @@ contents:
             chunk:      1
             tags:       Kibana/Reference
             subject:    Kibana
+            asciidoctor: true
             sources:
               -
                 repo:   kibana

doc_build_aliases.sh

@@ -21,7 +21,7 @@ alias docbldes=docbldesx
 alias docbldesold='$GIT_HOME/docs/build_docs --doc $GIT_HOME/elasticsearch/docs/reference/index.x.asciidoc --resource=$GIT_HOME/elasticsearch-extra/x-pack-elasticsearch/docs/ --chunk 1'
 
 # Kibana
-alias docbldkbx='$GIT_HOME/docs/build_docs --doc $GIT_HOME/kibana/docs/index.asciidoc --chunk 1'
+alias docbldkbx='$GIT_HOME/docs/build_docs --asciidoctor --doc $GIT_HOME/kibana/docs/index.asciidoc --chunk 1'
 
 alias docbldkb=docbldkbx