thermostat: add bigger font for holiday dlg

soft/thermostat/src/holiday_dlg.cpp

@@ -36,6 +36,15 @@ HolidayDlg::HolidayDlg(QWidget *parent, Qt::WindowFlags f) :
 	QPushButton *ok_btn = new QPushButton(tr("Ok"), this);
 	QPushButton *cancel_btn = new QPushButton(tr("Cancel"), this);
 
+	QFont font = next_btn->font();
+	font.setPointSize(12);
+	font.setBold(true);
+	next_btn->setFont(font);
+	prev_btn->setFont(font);
+	ok_btn->setFont(font);
+	cancel_btn->setFont(font);
+	m_cal.setFont(font);
+
 	next_btn->setSizePolicy(*szPolicy);
 	prev_btn->setSizePolicy(*szPolicy);
 	ok_btn->setSizePolicy(*szPolicy);

soft/thermostat/src/mainwindow.cpp

@@ -71,6 +71,7 @@ MainWindow::MainWindow(QWidget *parent) :
 
 	QFont font = menu_btn->font();
 	font.setPointSize(12);
+	font.setBold(true);
 	menu_btn->setFont(font);
 	m_state_btn.setFont(font);
 

soft/thermostat/src/menu_dlg.cpp

@@ -50,6 +50,7 @@ MenuDlg::MenuDlg(QWidget *parent, Qt::WindowFlags f) :
 
 	QFont font = holiday_btn->font();
 	font.setPointSize(12);
+	font.setBold(true);
 	holiday_btn->setFont(font);
 	save_cfg_btn->setFont(font);
 	load_cfg_btn->setFont(font);