Move AtomicCell into crossbeam-utils

Author: Stjepan Glavina

src/atomic_cell.rs renamed to crossbeam-utils/src/atomic/atomic_cell.rs

@@ -1,5 +1,7 @@
 //! Additional utilities for atomics.
 
+mod atomic_cell;
 mod consume;
 
+pub use self::atomic_cell::AtomicCell;
 pub use self::consume::AtomicConsume;

crossbeam-utils/src/atomic/mod.rs

@@ -59,14 +59,13 @@ mod _epoch {
 pub use _epoch::crossbeam_epoch as epoch;
 
 mod arc_cell;
-mod atomic_cell;
 
 extern crate crossbeam_utils;
 
 /// Additional utilities for atomics.
 pub mod atomic {
     pub use arc_cell::ArcCell;
-    pub use atomic_cell::AtomicCell;
+    pub use crossbeam_utils::atomic::AtomicCell;
     pub use crossbeam_utils::atomic::AtomicConsume;
 }