added support for restart on newer version and able to boot once system restart

Makefile

-VERSION=0.3.1+uninett1
+VERSION=0.3.1+uninett2
 
 # By default, all dependencies (zeromq, etc) will be downloaded and installed
 # locally. You can change this if you are deploying your own.
@@ -47,7 +47,9 @@ vendor-clean:
 rpm deb: PREFIX=/opt/logstash-forwarder
 rpm deb: | build-all
 	fpm -s dir -t $@ -n logstash-forwarder -v $(VERSION) \
-		--replaces lumberjack \
+		--replaces logstash-forwarder \
+                --after-install logstash-forwarder.postinst \
+                --after-remove logstash-forwarder.remove \
 		--exclude '*.a' --exclude 'lib/pkgconfig/zlib.pc' \
 		--description "a log shipping tool" \
 		--url "https://github.com/elasticsearch/logstash-forwarder" \

logstash-forwarder.init

 #! /bin/sh
 ### BEGIN INIT INFO
-# Provides:          skeleton
+# Provides:          logstash-forwarder
 # Required-Start:    $remote_fs $syslog
 # Required-Stop:     $remote_fs $syslog
 # Default-Start:     2 3 4 5

logstash-forwarder.logrotate

 /var/log/logstash-forwarder.log
 {
-        rotate 7
+        rotate 5
         daily
         missingok
         delaycompress

logstash-forwarder.postinst

+#! /bin/sh
+update-rc.d logstash-forwarder defaults
+service logstash-forwarder restart

logstash-forwarder.remove

+#! /bin/sh
+service logstash-forwarder stop
+update-rc.d logstash-forwarder remove