Added Ctrl+= shortcut for zoom +

closes #449

CHANGELOG

@@ -1,5 +1,6 @@
 Version 1.3.1
     * not yet released
+    * Ctrl+= shortcut for + zoom in webview
     * Ctrl+Enter shortcut in PIM plugin now also works with enter on numpad
     * fixed zooming with Ctrl+Wheel for some users
     * fixed issues with cookies filtering

src/lib/app/qupzilla.cpp

@@ -1614,6 +1614,13 @@ void QupZilla::keyPressEvent(QKeyEvent* event)
         }
         break;
 
+    case Qt::Key_Equal:
+        if (event->modifiers() == Qt::ControlModifier) {
+            weView()->zoomIn();
+            event->accept();
+        }
+        break;
+
     case Qt::Key_1:
         number = 1;
         break;