docs: disable all old *-docs artifacts + go to 3 docs (drools-docs, jbpm-docs and optaplanner-docs): refactor build, assemblies and distro's accordingly
(cherry picked from commit cadad9a495dd53a7508919dd3416394513bc4723)
add drools-wb-distribution.war in uber assembly + repository-list: move droolsjbpm-build-distribution to later in the sequence + gitignores
(cherry picked from commit b522187be36e16ca80fb8714612847c726e2ecff)