Code cleanup.

Converted rest of .clone() s on ref pointer to use the macro instead.
Stopped ignoring clippy clone_on_ref_pointer warnings since there shouldn't
be any, anymore.

hammond-gtk/src/headerbar.rs

@@ -1,5 +1,3 @@
-#![cfg_attr(feature = "cargo-clippy", allow(clone_on_ref_ptr))]
-
 use gtk;
 use gtk::prelude::*;
 
@@ -60,8 +58,6 @@ pub fn get_headerbar(db: &Arc<Mutex<SqliteConnection>>, stack: &gtk::Stack) -> g
     // and add a StackSwitcher when more views are added.
     home_button.connect_clicked(clone!(stack => move |_| stack.set_visible_child_name("pd_grid")));
 
-    let stack = stack.clone();
-    let db = db.clone();
     // FIXME: There appears to be a memmory leak here.
     refresh_button.connect_clicked(clone!(stack, db => move |_| {
         utils::refresh_db(&db, &stack);

hammond-gtk/src/main.rs

@@ -1,5 +1,3 @@
-#![cfg_attr(feature = "cargo-clippy", allow(clone_on_ref_ptr))]
-
 extern crate gdk;
 extern crate gdk_pixbuf;
 extern crate gio;

hammond-gtk/src/utils.rs

@@ -1,5 +1,3 @@
-#![cfg_attr(feature = "cargo-clippy", allow(clone_on_ref_ptr))]
-
 use glib;
 
 use gtk;
@@ -68,9 +66,9 @@ pub fn refresh_db(db: &Arc<Mutex<SqliteConnection>>, stack: &gtk::Stack) {
 pub fn refresh_feed(db: &Arc<Mutex<SqliteConnection>>, stack: &gtk::Stack, source: &mut Source) {
     let (sender, receiver) = channel();
 
-    GLOBAL.with(move |global| {
-        *global.borrow_mut() = Some((db.clone(), stack.clone(), receiver));
-    });
+    GLOBAL.with(clone!(db, stack => move |global| {
+        *global.borrow_mut() = Some((db, stack, receiver));
+    }));
 
     let mut source = source.clone();
     // TODO: add timeout option and error reporting.

hammond-gtk/src/views/podcasts_view.rs

@@ -1,5 +1,3 @@
-#![cfg_attr(feature = "cargo-clippy", allow(clone_on_ref_ptr))]
-
 use gtk;
 use gtk::prelude::*;
 
@@ -116,12 +114,9 @@ pub fn populate_flowbox_no_store(
             let pixbuf = get_pixbuf_from_path(img, title);
             let f = create_flowbox_child(title, pixbuf.clone());
 
-            let db = db.clone();
-            let stack = stack.clone();
-            let parent = parent.clone();
-            f.connect_activate(move |_| {
+            f.connect_activate(clone!(db, stack, parent => move |_| {
                 on_flowbox_child_activate(&db, &stack, &parent, pixbuf.clone());
-            });
+            }));
             flowbox.add(&f);
         });
     } else {

hammond-gtk/src/widgets/episode.rs

@@ -1,6 +1,4 @@
 
-#![cfg_attr(feature = "cargo-clippy", allow(clone_on_ref_ptr))]
-
 use open;
 use diesel::prelude::SqliteConnection;
 use hammond_data::dbqueries;