Merge pull request #340 from MITx/kimth/lms-coderesponse

common/lib/capa/capa/capa_problem.py

common/lib/capa/capa/inputtypes.py

common/lib/capa/capa/responsetypes.py

common/lib/capa/capa/templates/filesubmission.html

common/lib/capa/capa/util.py

common/lib/capa/capa/xqueue_interface.py

common/lib/xmodule/xmodule/capa_module.py

common/lib/xmodule/xmodule/js/src/capa/display.coffee

lms/djangoapps/courseware/module_render.py