6305fbdfb6
This commit adds a feature that allows overriding any marketing URL, either by configuration on lms.env.json or SiteConfiguration, regardless if a marketing website is set up. The links can be set by passing MKTG_URL_OVERRIDES to either `lms.env.json` or `SiteConfiguration`.
common ------ This directory contains common code shared between LMS and CMS, such as Mako templates, CSS, and Coffescript.