SLING-4153 - fixed AL headers and imports

git-svn-id: https://svn.apache.org/repos/asf/sling/trunk@1641788 13f79535-47bb-0310-9956-ffa450edef68
SLING-4153: hiding authorization strategy and request time

git-svn-id: https://svn.apache.org/repos/asf/sling/trunk@1641803 13f79535-47bb-0310-9956-ffa450edef68
SLING-4169 - restructure folders, patch contributed by Sandro Boehme, thanks!

git-svn-id: https://svn.apache.org/repos/asf/sling/trunk@1641848 13f79535-47bb-0310-9956-ffa450edef68
SLING-4201 MockOsgi.activate()/deactivate()/modified() should fail fast if method is declared but can't be found

git-svn-id: https://svn.apache.org/repos/asf/sling/trunk@1641947 13f79535-47bb-0310-9956-ffa450edef68
SLING-4202 OSGi Mock: Fail-fast when mandatory references cannot be injected

git-svn-id: https://svn.apache.org/repos/asf/sling/trunk@1641954 13f79535-47bb-0310-9956-ffa450edef68