add apply button to the settings dialog (bug #44081) * main-window.cc (process_settings_dialog_request) connect signal for applying the changes, settings dialog is non modal now; (request_reload_settings): new slot for siganl from settings dialog when when apply button was clicked * main-window .h: new slot request_reload_settings * settings-dialog.cc (constructor): connect signal when button box is clicked to the new slot button_clicked; (button_clicked): new slot * settings-dialog.h: new signal and related slot * settings-dialog.ui: new applay button

--- a/libgui/src/main-window.h	Sat Jan 24 22:46:20 2015 +0100
+++ b/libgui/src/main-window.h	Sun Jan 25 12:22:48 2015 +0100
@@ -103,6 +103,7 @@
 public slots:
 
   void focus_changed (QWidget *w_old, QWidget *w_new);
+  void request_reload_settings ();
 
 
   void report_status_message (const QString& statusMessage);