SLING-976 Declare Servlet and Web Console API imports optional

git-svn-id: https://svn.apache.org/repos/asf/incubator/sling/trunk@775854 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/pom.xml b/pom.xml
index 4fba6ca..61bb1fb 100644
--- a/pom.xml
+++ b/pom.xml
@@ -63,6 +63,11 @@
                         <Private-Package>
                             org.apache.sling.commons.mime.internal
                         </Private-Package>
+                        <Import-Package>
+                            javax.servlet.*;
+                            org.apache.felix.webconsole;resolution:=optional,
+                            *
+                        </Import-Package>
                     </instructions>
                 </configuration>
             </plugin>