Adding in new calendar under file menu.

calendar/resources/content/calendarMenuOverlay.xul

@@ -101,6 +101,7 @@
       <menupopup id="menu_FilePopup">
          <menuitem id="calendar-new-event-menu"    key="new_event_key"    label="&event.new.event;"                  observes="new_command"/>
          <menuitem id="calendar-new-todo-menu"     key="new_todo_key"     label="&event.new.todo;"                   observes="new_todo_command"/>
+         <menuitem id="calendar-new-calendar-menu" key="new_calendar_key" label="&calendar.context.newserver.label;" observes="new_server_command"/>
          <menuitem id="unifinder-modify-menu"      key="modify_event_key" label="&event.edit.event;"                 observes="modify_command"/>
          <menuseparator/>
          <menuitem id="calendar-mail-event" observes="send_event_command" label="&event.mail.event;"/>

calendar/resources/content/menuOverlay.xul

@@ -101,6 +101,7 @@
       <menupopup id="menu_FilePopup">
          <menuitem id="calendar-new-event-menu"    key="new_event_key"    label="&event.new.event;"                  observes="new_command"/>
          <menuitem id="calendar-new-todo-menu"     key="new_todo_key"     label="&event.new.todo;"                   observes="new_todo_command"/>
+         <menuitem id="calendar-new-calendar-menu" key="new_calendar_key" label="&calendar.context.newserver.label;" observes="new_server_command"/>
          <menuitem id="unifinder-modify-menu"      key="modify_event_key" label="&event.edit.event;"                 observes="modify_command"/>
          <menuseparator/>
          <menuitem id="calendar-mail-event" observes="send_event_command" label="&event.mail.event;"/>