typo

git-svn-id: https://svn.apache.org/repos/asf/sling/trunk@1545540 13f79535-47bb-0310-9956-ffa450edef68
SLING-3256 - StreamRendererServlet was wrong when read returns < len - thanks Tobias Bocanegra and Alex Klimetschek for the report and patch!

git-svn-id: https://svn.apache.org/repos/asf/sling/trunk@1545544 13f79535-47bb-0310-9956-ffa450edef68
Merge branch 'trunk' of http://git.apache.org/sling into sling-3223
SLING-3223 - updated javadoc for agent and configuration manager