Only show copy button in browsers that support it Resolves issue #137
Only show copy button in browsers that support it
Resolves issue #137

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