qc edits fm and ch 1
Merge branch 'master' of https://atlas-server.oreilly.com/git/1234000001500
Fix link anchor in timbre logging recipe
Add -destroy impl to daemons recipe
ch 2 qc edits and ch 1 au edits
qc edits ch 3 and ch 4 partial
ran script to replace links with author-provided urls
merge
Link fixes.