add v0.10.4 manifest
add v0.10.5 manifest
bump v0.10.x default to v0.10.5 latest stable
bump boxen dep to mitigate ci errors
Merge pull request #10 from mroth/v0.10.5

v0.10.4 and v0.10.5 manifests, plus make v0.10.5 stable the default for v0.10.x