updating reqs to latest versions of key libs
updating subs to use updated django 1.5 versions
updating 2 subs auditcare and formdesigner

latest master and django 1.5 stuff
new rawes ElasticException handling for signal
args are empty now - is this a cbv 1.5 change?
streaming back case file attachments
adding this branch to travis build
updating subs to use updated django 1.5 versions
updating 2 subs auditcare and formdesigner

latest master and django 1.5 stuff