Renamed API from /metadata to /projects. Old name is still accepted.

src/org/leolo/web/dm/servlet/ProjectMetadataServlet.java

@@ -19,7 +19,7 @@ import org.slf4j.LoggerFactory;
 /**
  * Servlet implementation class MainServlet
  */
-@WebServlet({"/metadata/*"})
+@WebServlet({"/projects/*","/metadata/*"})
 public class ProjectMetadataServlet extends BaseServlet {
 	private static Logger log = LoggerFactory.getLogger(ProjectMetadataServlet.class);
 	private static final long serialVersionUID = 1L;