Versioning improvements; non-tagged target build will upload against release/latest (also non-tagged)
Versioning improvements; non-tagged target build will upload against release/latest (also non-tagged)

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