adding button print calendar toolbar, adding template for the print window, ajusting indentation

UI/Scheduler/Toolbars/SOGoAppointmentFolders.toolbar

@@ -37,6 +37,12 @@
       onclick = "return onMonthOverview();";
       image = "month-view.png";
       tooltip = "Switch to month view"; } ),
+  ( { link = "#";
+      onclick = "";
+      cssClass = "tbicon_print single-window-not-conditional";
+      image = "tb-mail-print-flat-24x24.png";
+      label = "Print View";
+      tooltip = "Print the current calendar view"; } ),
   ( { link = "#";
       label="Delete";
       onclick = "return deleteEvent(this);";