Inline md5 impl

rust-crypto doesn't compile for all platforms, and this is the only
piece we need.

Author: sfackler

Cargo.toml

@@ -29,7 +29,6 @@ byteorder = "0.3"
 debug-builders = "0.1"
 log = "0.3"
 phf = "0.7"
-rust-crypto = "0.2"
 rustc-serialize = "0.3"
 chrono = { version = "0.2.14", optional = true }
 openssl = { version = "0.6", optional = true }

THIRD_PARTY

@@ -57,3 +57,34 @@ CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
 OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR
 IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 DEALINGS IN THE SOFTWARE.
+
+-------------------------------------------------------------------------------
+
+* src/md5.rs has been copied from rust-crypto
+
+Copyright (c) 2006-2009 Graydon Hoare
+Copyright (c) 2009-2013 Mozilla Foundation
+
+Permission is hereby granted, free of charge, to any
+person obtaining a copy of this software and associated
+documentation files (the "Software"), to deal in the
+Software without restriction, including without
+limitation the rights to use, copy, modify, merge,
+publish, distribute, sublicense, and/or sell copies of
+the Software, and to permit persons to whom the Software
+is furnished to do so, subject to the following
+conditions:
+
+The above copyright notice and this permission notice
+shall be included in all copies or substantial portions
+of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF
+ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
+TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
+PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT
+SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR
+IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+DEALINGS IN THE SOFTWARE.

src/lib.rs

@@ -46,7 +46,6 @@
 
 extern crate bufstream;
 extern crate byteorder;
-extern crate crypto;
 #[macro_use]
 extern crate log;
 extern crate phf;
@@ -56,8 +55,7 @@ extern crate unix_socket;
 extern crate debug_builders;
 
 use bufstream::BufStream;
-use crypto::digest::Digest;
-use crypto::md5::Md5;
+use md5::Md5;
 use debug_builders::DebugStruct;
 use std::ascii::AsciiExt;
 use std::borrow::ToOwned;
@@ -94,6 +92,7 @@ mod url;
 mod util;
 pub mod types;
 pub mod rows;
+mod md5;
 
 const TYPEINFO_QUERY: &'static str = "t";