a1b09c0b8d
It's likely that someone will at some point enable encrypted logging but forget to deploy the config change that sets the key; if this happens, we should gracefully return a warning rather than raise an exception. Along the same lines, make sure that safe-sessions won't raise an exception if the setting is missing, and document the suggested use of getattr.
common ------ This directory contains common code shared between LMS and CMS, such as Mako templates, CSS, and Coffescript.