updates script for packagecloud

packaging/publish/publish_testing.sh

 #! /usr/bin/env bash
-deb_ver=4.1.0-1482230757beta1
-rpm_ver=4.1.0-1482230757beta1
+deb_ver=4.2.0-beta1
+rpm_ver=4.2.0-beta1
 
-wget https://grafanarel.s3.amazonaws.com/builds/grafana_${deb_ver}_amd64.deb
+wget https://s3-us-west-2.amazonaws.com/grafana-releases/release/grafana_${deb_ver}_amd64.deb
 
 package_cloud push grafana/testing/debian/jessie grafana_${deb_ver}_amd64.deb
 package_cloud push grafana/testing/debian/wheezy grafana_${deb_ver}_amd64.deb
 
-wget https://grafanarel.s3.amazonaws.com/builds/grafana-${rpm_ver}.x86_64.rpm
+wget https://s3-us-west-2.amazonaws.com/grafana-releases/release/grafana-${rpm_ver}.x86_64.rpm
 
 package_cloud push grafana/testing/el/6 grafana-${rpm_ver}.x86_64.rpm
 package_cloud push grafana/testing/el/7 grafana-${rpm_ver}.x86_64.rpm