Use system.getHostname() everywhere Replace os.environ['HTTP_HOST'] with system.getHostname(), as a result we do not crash when 'HTTP_HOST' is unset now.

[nosetests]
exclude=pymox
with-coverage=1
cover-package=soc
cover-erase=1
cover-html=1
cover-html-dir=coverageResults
#debug=nose.plugins.cover