Make upgrades look in releases dir for tools
More test fixes
Fix compile error
Merge pull request #996 from wallyworld/tools-upgrade-fix

Make upgrades look in releases dir for tools

Modify upgrades/toolsstorage.go so it looks in the legacy tools dir "releases" when looking for tools to import into the state server blob store. It also only looks for "released" tools as this is all that were available prior to 1.21.