Update Typinator URL, change latest to 6.1.

Also add sha256.
typinator: Add assistive_devices caveat
Update Brackets to 0.42.0
Merge pull request #5611 from vitorgalvao/fix-5609

Update Brackets to 0.42.0
Merge pull request #5610 from treyharris/typinator-update

Update Typinator cask with URL, version, sha256, and caveat
TexShop 3.38
Merge pull request #5612 from ahbeng/texshop-3.38

TexShop 3.38