add doc strings; fix pep8 warning address some minor issues brought up by the code review process
common ------ This directory contains common code shared between LMS and CMS, such as Mako templates, CSS, and Coffescript.
add doc strings; fix pep8 warning address some minor issues brought up by the code review process
common ------ This directory contains common code shared between LMS and CMS, such as Mako templates, CSS, and Coffescript.