Fix gnome panel issues (#12)

Display icon for application
Allow application to be pinned

src/main.rs

@@ -71,8 +71,6 @@ fn main() {
         app.connect_open(open);
     }
 
-    gtk::Window::set_default_icon_name("nvim-gtk");
-
     let args: Vec<String> = env::args().collect();
     let argv: Vec<&str> = args.iter()
         .filter(|a| !a.starts_with(BIN_PATH_ARG))

src/ui.rs

@@ -125,7 +125,7 @@ impl Ui {
         window.add(&**shell);
 
         window.show_all();
-        window.set_title("NeoVim-gtk");
+        window.set_title("NeovimGtk");
 
         let comps_ref = self.comps.clone();
         let shell_ref = self.shell.clone();
@@ -165,7 +165,7 @@ fn on_help_about(comps: &Components) {
     about.set_transient_for(comps.window.as_ref());
     about.set_program_name("NeovimGtk");
     about.set_version(env!("CARGO_PKG_VERSION"));
-    about.set_logo_icon_name("nvim-gtk");
+    about.set_logo_icon_name("org.daa.NeovimGtk");
     about.set_authors(&[env!("CARGO_PKG_AUTHORS")]);
 
     about.connect_response(|about, _| about.destroy());