log view fix. for microsoft/pxt-microbit#232
log view fix. for microsoft/pxt-microbit#232

Microsoft/pxt,switch-education/pxt,Microsoft/pxt,playi/pxt,playi/pxt,playi/pxt,switchinnovations/pxt,Microsoft/pxt,switch-education/pxt,Microsoft/pxt,switchinnovations/pxt,switch-education/pxt,Microsoft/pxt,switch-education/pxt,playi/pxt,switchinnovations/pxt,switch-education/pxt,switchinnovations/pxt