stage0: stream image to avoid extra copy
Update SPEC.md

Removes duplicate 'the' in logging section.
Merge pull request #137 from lamielle/patch-1

appc/spec: fix typo
Merge pull request #129 from jonboulle/master

stage0: stream image to avoid extra copy
appc/spec: clarify authors annotation
Merge pull request #141 from jonboulle/master

App Manifest authors format: wrong example?