inbox service: fix javax.mail duplicate jar with jetty

Dockerfile

@@ -8,5 +8,8 @@ RUN apt-get update && apt-get -y -q install ffmpeg mediainfo tesseract-ocr tesse
 ENV TESSDATA_PREFIX /usr/share/tesseract-ocr
 ENV LC_NUMERIC C
 
+# Remove the embedded javax.mail jar from Jetty
+RUN rm -f /opt/jetty/lib/jndi/javax.mail.glassfish-*.jar
+
 ADD docs.xml /opt/jetty/webapps/docs.xml
 ADD docs-web/target/docs-web-*.war /opt/jetty/webapps/docs.war

docs-core/src/main/java/com/sismics/docs/core/service/InboxService.java

@@ -46,10 +46,12 @@ public class InboxService extends AbstractScheduledService {
 
     @Override
     protected void startUp() {
+        log.info("Inbox service starting up");
     }
 
     @Override
     protected void shutDown() {
+        log.info("Inbox service shutting down");
     }
     
     @Override