Don't use -fwrapv if it's redundant.
Merge branch 'master' of github.com:jedisct1/dnscrypt-proxy

* 'master' of github.com:jedisct1/dnscrypt-proxy:
  iOS: add -miphoneos-version-min
  Add the cypherpunk.lu server
  Update dnscrypt-resolvers.csv.sig
  Sort resolvers list
  Added a DNSCrypt server in Luxembourg
  Indent
  High-level functions are enough
  Not Poly1305-AES.