Use `os:timestamp/0 instead of `erlang:now/0`
Use `os:timestamp/0 instead of `erlang:now/0`

We don't need the guarantees of `erlang:now/0` in `make_cookie_time/0`,
so `os:timestamp/0` is just fine.

alanning/couchdb-couch,fkaempfer/couchdb,apache/couchdb-couch,alanning/couchdb-couch,smithsz/couchdb-couch,ngpestelos/couchdb-couch,cloudant/couchdb-couch,smithsz/couchdb-couch,KlausTrainer/couchdb-couch,fkaempfer/couchdb,fkaempfer/couchdb,ngpestelos/couchdb-couch,cloudant/couchdb-couch,alanning/couchdb-couch,apache/couchdb-couch,KlausTrainer/couchdb-couch,cloudant/couchdb-couch,ngpestelos/couchdb-couch,fkaempfer/couchdb,smithsz/couchdb-couch,fkaempfer/couchdb,fkaempfer/couchdb,apache/couchdb-couch,KlausTrainer/couchdb-couch