Do not require T: Clone for EventLoopProxy<T>: Clone (#1086)

* Do not require `T: Clone` for `EventLoopProxy<T>: Clone`

* Update `CHANGELOG.md`

* Remove the conflicting `Clone` impl

* Fix match statement

src/event_loop.rs

@@ -173,11 +173,18 @@ impl<T> Deref for EventLoop<T> {
 }
 
 /// Used to send custom events to `EventLoop`.
-#[derive(Clone)]
 pub struct EventLoopProxy<T: 'static> {
     event_loop_proxy: platform_impl::EventLoopProxy<T>,
 }
 
+impl<T: 'static> Clone for EventLoopProxy<T> {
+    fn clone(&self) -> Self {
+        Self {
+            event_loop_proxy: self.event_loop_proxy.clone(),
+        }
+    }
+}
+
 impl<T: 'static> EventLoopProxy<T> {
     /// Send an event to the `EventLoop` from which this proxy was created. This emits a
     /// `UserEvent(event)` event in the event loop, where `event` is the value passed to this