[runmode] Export countColumn on the minimal CodeMirror
[runmode] Export countColumn on the minimal CodeMirror

This is needed e.g. for the google-modes to produce correct indentation.
hackmdio/CodeMirror,nightwing/CodeMirror,pabloferz/CodeMirror,nightwing/CodeMirror,dperetti/CodeMirror,pabloferz/CodeMirror,hackmdio/CodeMirror,wingify/CodeMirror,nightwing/CodeMirror,hackmdio/CodeMirror,dperetti/CodeMirror,wingify/CodeMirror,pabloferz/CodeMirror,dperetti/CodeMirror,wingify/CodeMirror