Update to latest rust.

`std::rand` was moved to it's own crate.
Version of rustc: rustc 0.10-pre (4d64441 2014-03-12 15:07:06 -0700)

src/lib.rs

@@ -111,6 +111,7 @@ Feel free to add your project to this list if you happen to use **nalgebra**!
 
 extern crate std;
 extern crate extra;
+extern crate rand;
 extern crate serialize;
 
 #[cfg(test)]

src/structs/dmat.rs

@@ -2,8 +2,8 @@
 
 #[allow(missing_doc)]; // we hide doc to not have to document the $trhs double dispatch trait.
 
-use std::rand::Rand;
-use std::rand;
+use rand::Rand;
+use rand;
 use std::num::{One, Zero};
 use std::vec;
 use traits::operations::ApproxEq;

src/structs/dvec.rs

@@ -3,8 +3,8 @@
 #[allow(missing_doc)]; // we hide doc to not have to document the $trhs double dispatch trait.
 
 use std::num::{Zero, One, Float};
-use std::rand::Rand;
-use std::rand;
+use rand::Rand;
+use rand;
 use std::vec;
 use std::vec::{Items, MutItems};
 use traits::operations::ApproxEq;

src/structs/iso.rs

@@ -3,7 +3,7 @@
 #[allow(missing_doc)];
 
 use std::num::{Zero, One};
-use std::rand::{Rand, Rng};
+use rand::{Rand, Rng};
 use structs::mat::{Mat3, Mat4, Mat5};
 use traits::structure::{Cast, Dim, Col};
 use traits::operations::{Inv, ApproxEq};

src/structs/rot.rs

@@ -3,7 +3,7 @@
 #[allow(missing_doc)];
 
 use std::num::{Zero, One};
-use std::rand::{Rand, Rng};
+use rand::{Rand, Rng};
 use traits::geometry::{Rotate, Rotation, AbsoluteRotate, RotationMatrix, Transform, ToHomogeneous,
                        Norm, Cross};
 use traits::structure::{Cast, Dim, Row, Col};