Add alternative port to dnscrypt.eu servers

Some ISP are filtering outgoing port 443.
Merge pull request #125 from trrbl/master

Add alternative port to dnscrypt.eu servers
"sodium.h" -> <sodium.h>
Merge branch 'master' of github.com:jedisct1/dnscrypt-proxy

* 'master' of github.com:jedisct1/dnscrypt-proxy:
  Add alternative port to dnscrypt.eu servers
Replace the custom fingerprint parse with sodium_hextobin()
mlock() the proxy context
Bump version to 1.4.1
Don't even try to parse an empty file.
Document that some plugins need additional DLLs on Windows
clang seems to be broken on Travis