Merge pull request #15 from Teknocrat/master

Add Gentoo Ebuilds for Libsodium dependency and new dnscrypt-proxy
Link to dnscrypt.
Not to old GUIs.
Force questions to be as big as the response can be.
Update NEWS
Explain that upgrading to 1.3.3 is highly recommended, and why.
Version bump
Update ChangeLog
Rename DNS_MAX_PACKET_SIZE_UDP_SEND to DNS_MAX_PACKET_SIZE_UDP_NO_EDNS_SEND
Gradually increase the supported payload size.
Update ChangeLog
Fix tests: apprently, www.opendns.com IPv6 address changed.
Get back to 512 bytes for DNS_MAX_PACKET_SIZE_UDP_NO_EDNS_SEND
update ChangeLog
Regen man pages
Fixed libsodium-0.4.2.ebuild

- src_configure() missed econf
- path of ChangeLog was wrong
Added dnscrypt-proxy-1.3.3.ebuild

- bumped dnscrypt-proxy to 1.3.3
- fixed wrong digests in Manifest
- removed old ebuilds which don't have official packages anymore
Merge pull request #17 from Strayer/gentoo-fix-ebuilds

Fix Gentoo ebuilds
Update CloudNS resolvers
Update the version number in the file checking example
Explain that on CentOS/Fedora, ld.so.conf doesn't include /usr/local/lib