SLING-3771 - descriptive default config

git-svn-id: https://svn.apache.org/repos/asf/sling/trunk@1611635 13f79535-47bb-0310-9956-ffa450edef68
SLING-3771 - fail if no HCs found

git-svn-id: https://svn.apache.org/repos/asf/sling/trunk@1611636 13f79535-47bb-0310-9956-ffa450edef68
SLING-3771 - better metadata

git-svn-id: https://svn.apache.org/repos/asf/sling/trunk@1611642 13f79535-47bb-0310-9956-ffa450edef68
SLING-3685 - Document and further automate the IDE tooling release
process

Build a source bundle out of the main reactor. This way the artifact can
be deployed on a Maven staging repo and undergo the usual voting
process.

git-svn-id: https://svn.apache.org/repos/asf/sling/trunk@1611654 13f79535-47bb-0310-9956-ffa450edef68