Allow sub names that contain a dash
Allow sub names that contain a dash

Replace dash with underscore to allow sub names that include a dash
e.g. "sub-admin".
riethmayer/jan,jdevera/sub,jdevera/sub,zillow/sub,basecamp/sub,brendanheywood/moodle-moosh,brendanheywood/moodle-moosh,brendanheywood/moodle-moosh,zubieta/nimble