[gnome-maps] MainWindow: Add simpler zoom accels

[Jonas Danielsson <jonasdn src gnome org>]

commit db716bb672777b10f9b6256f109b0e425d07c3b1
Author: Amisha <amishas157 gmail com>
Date:   Wed Oct 28 21:15:42 2015 +0530

    MainWindow: Add simpler zoom accels
    
    Added zoom accels for plus and minus
    
    https://bugzilla.gnome.org/show_bug.cgi?id=755784

 src/mainWindow.js |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/src/mainWindow.js b/src/mainWindow.js
index 909aff5..e2d3ae5 100644
--- a/src/mainWindow.js
+++ b/src/mainWindow.js
@@ -189,11 +189,11 @@ const MainWindow = new Lang.Class({
                 onChangeState: this._onToggleSidebarChangeState.bind(this)
             },
             'zoom-in': {
-                accels: ['<Primary>plus'],
+                accels: ['plus', '<Primary>plus', 'KP_Add', '<Primary>KP_Add'],
                 onActivate: this._mapView.view.zoom_in.bind(this._mapView.view)
             },
             'zoom-out': {
-                accels: ['<Primary>minus'],
+                accels: ['minus', '<Primary>minus', 'KP_Subtract', '<Primary>KP_Subtract'],
                 onActivate:  this._mapView.view.zoom_out.bind(this._mapView.view)
             },
             'find': {