fix: data logger now called from main, plot in thread

app/templates/base.html

@@ -6,6 +6,11 @@
 	<meta charset="utf-8">
 	<meta name="viewport" content="width=500">
 	<!--<meta name="viewport" content="width=device-width, initial-scale=1.0">-->
+	<meta Http-Equiv="Cache-Control" Content="no-cache">
+	<meta Http-Equiv="Pragma" Content="no-cache">
+	<meta Http-Equiv="Expires" Content="0">
+	<meta Http-Equiv="Pragma-directive: no-cache">
+	<meta Http-Equiv="Cache-directive: no-cache">
 	<link rel="stylesheet" type="text/css" href="/static/style.css">
 	{% if title %}
 	<title> {{ title }} - Baroness </title>

app/templates/fridges.html

@@ -17,7 +17,7 @@
                     {% set fils = "log_%s.png" % sensor.id %}
                     <img src="{{ url_for('static', filename=fils) }}" /><br>
                 </div>
-                {% endfor %}b
+                {% endfor %}
             </div>
         </div>
         {% endfor %}