move recipes/{rust,cargo} to recipes-devtools

This better matches where upstream puts compilers and development
utilities.

recipes-devtools/cargo/files/ssh2-rs/0001-Unconditionally-depend-on-openssl-sys.patch

@@ -0,0 +1,45 @@
+From b45c6ed5524690603a1888dff21556b7f42db474 Mon Sep 17 00:00:00 2001
+From: Cody P Schafer <dev@codyps.com>
+Date: Mon, 1 Dec 2014 10:51:31 -0500
+Subject: [PATCH] Unconditionally depend on openssl-sys
+
+---
+ libssh2-sys/Cargo.toml | 22 ----------------------
+ 1 file changed, 22 deletions(-)
+
+diff --git a/libssh2-sys/Cargo.toml b/libssh2-sys/Cargo.toml
+index 501bba5..db8d21a 100644
+--- a/libssh2-sys/Cargo.toml
++++ b/libssh2-sys/Cargo.toml
+@@ -15,28 +15,6 @@ path = "lib.rs"
+ [dependencies]
+ libz-sys = "0.1.0"
+ libc = "0.1"
+-
+-[target.i686-apple-darwin.dependencies]
+-openssl-sys = "0.6.0"
+-[target.x86_64-apple-darwin.dependencies]
+-openssl-sys = "0.6.0"
+-[target.i686-unknown-linux-gnu.dependencies]
+-openssl-sys = "0.6.0"
+-[target.x86_64-unknown-linux-gnu.dependencies]
+-openssl-sys = "0.6.0"
+-[target.aarch64-unknown-linux-gnu.dependencies]
+-openssl-sys = "0.6.0"
+-[target.arm-unknown-linux-gnueabihf.dependencies]
+-openssl-sys = "0.6.0"
+-[target.i686-unknown-freebsd.dependencies]
+-openssl-sys = "0.6.0"
+-[target.x86_64-unknown-freebsd.dependencies]
+-openssl-sys = "0.6.0"
+-[target.x86_64-unknown-dragonfly.dependencies]
+-openssl-sys = "0.6.0"
+-[target.x86_64-unknown-bitrig.dependencies]
+-openssl-sys = "0.6.0"
+-[target.x86_64-unknown-openbsd.dependencies]
+ openssl-sys = "0.6.0"
+ 
+ [build-dependencies]
+-- 
+2.4.3
+