Update upgrade.sh

upgrade.sh

@@ -1,15 +1,15 @@
 #upgrade
 
 cd newcrawler
-rm -f -v master.zip
-wget --no-check-certificate https://github.com/speed/newcrawler/archive/master.zip -O master.zip
-unzip -n master.zip
-rm -R -f -v newcrawler-master/war/WEB-INF/classes
+rm -f -v cluster.zip
+wget --no-check-certificate https://github.com/speed/newcrawler/archive/cluster.zip -O cluster.zip
+unzip -n cluster.zip
+rm -R -f -v newcrawler-cluster/war/WEB-INF/classes
 rm -R -f -v war/WEB-INF/lib
 rm -R -f -v war/static
-\cp -R newcrawler-master/war/* war
-rm -R -f -v newcrawler-master
-rm -f -v master.zip
+\cp -R newcrawler-cluster/war/* war
+rm -R -f -v newcrawler-cluster
+rm -f -v cluster.zip
 sh stop.sh
 
 sh start.sh &