SLING-4208 - add links to tests on the JUnit servlet page - contributed by Ben Helleman, thanks!

git-svn-id: https://svn.apache.org/repos/asf/sling/trunk@1642276 13f79535-47bb-0310-9956-ffa450edef68
SLING-4206 Refactor Sightly and Sightly JS

 - Cleanup API
 - Structure API
 - Move implementations into impl folders
 
Applying patch by Radu Cotescu (thank you very much)

git-svn-id: https://svn.apache.org/repos/asf/sling/trunk@1642281 13f79535-47bb-0310-9956-ffa450edef68
SLING-4206 Refactor Sightly and Sightly JS

Remove empty folders after committing the refactoring

git-svn-id: https://svn.apache.org/repos/asf/sling/trunk@1642283 13f79535-47bb-0310-9956-ffa450edef68
SLING-4206 Fixing one minor glitch: Record is a @ConsumerType, of course

git-svn-id: https://svn.apache.org/repos/asf/sling/trunk@1642284 13f79535-47bb-0310-9956-ffa450edef68