chore(etcd): use resty-http instead

fix(nginx): improve logging and robustness

fix(loadbalancer): don't mess with machines in sync

feat(README): clean it up a bit

fix(nginx): set the insync flag before continuing

fix(nginx.conf): use shlib to cache etcd results

feat(Dockerfile): initial commit

fix(README): explain what is going on a bit more

feat(run): grab the unit and ETCD url from ENV

chore(example.conf): rename to nginx.conf

fix(run): make the lua path relative

fix(coreinit): disable debug

fix(coreinit): don't fail if one machine fails to sync

fix(coreinit): handle missing machines slightly more gracefully

feat(coreinit): add the loadbalancer module