Added access control allow headers
Merge branch 'master' of code.dtg.cl.cam.ac.uk:infrastructure/dtg-puppet
Added proxy path for cookies - required so that tomcat can store session information
Merge branch 'master' of code.dtg.cl.cam.ac.uk:infrastructure/dtg-puppet
renamed isaac-api endpoint in apache config
Try and make munin emails more helpful

Using http://blog.edseek.com/archives/2006/07/13/munin-alert-email-notification/
and
http://munin-monitoring.org/wiki/MuninAlertVariables