Use released Jackrabbit FileVault archetypes.

git-svn-id: https://svn.apache.org/repos/asf/sling/branches/tooling-ide-vlt@1527498 13f79535-47bb-0310-9956-ffa450edef68
Include .artifacts plug-in in the base feature.

git-svn-id: https://svn.apache.org/repos/asf/sling/branches/tooling-ide-vlt@1527499 13f79535-47bb-0310-9956-ffa450edef68
Upload script: tweak to overwrite existing files

git-svn-id: https://svn.apache.org/repos/asf/sling/branches/tooling-ide-vlt@1527500 13f79535-47bb-0310-9956-ffa450edef68