Create dnscrypt-proxy.service

systemd support
Create dnscrypt-proxy-backup.service

systemd support
Create dnscrypt-config-dnscrypteu
Create dnscrypt-config-cloudns
Update dnscrypt-config-dnscrypteu
Update dnscrypt-config-cloudns
Create dnscrypt-config-openniceu
Create dnscrypt-config-opennicjp
Create dnscrypt-config-soltysiak
Create dnscrypt-config-opendns
Merge pull request #18 from AladW/patch-1

systemd support