Updated svn:ignore for new vlt-related projects

git-svn-id: https://svn.apache.org/repos/asf/sling/branches/tooling-ide-vlt@1522794 13f79535-47bb-0310-9956-ffa450edef68
Removed empty directories

git-svn-id: https://svn.apache.org/repos/asf/sling/branches/tooling-ide-vlt@1522795 13f79535-47bb-0310-9956-ffa450edef68