Make the globus_sdk.token_storage namespace only present 'v2' members and rename 'v1' to 'legacy'#1290

sirosen merged 2 commits into

globus:4.x-devglobus/globus-sdk-python:4.x-devfrom

sirosen:move-tokenstorage-aroundsirosen/globus-sdk-python:move-tokenstorage-aroundCopy head branch name to clipboard