Prep for 2.9 git tag and npm release (#35)

Prep for 2.8 git tag and npm release (#30)

Merge pull request #25 from Esri/12.7.0-other_files

Prep for 2.7 git tag and npm release

Update other files for 10.8.1/2.6

Merge pull request #22 from Esri/12.6.0-other_files