- failed temp and humidity reading wont prevent data sending

- printing of water level

app/client/state.html

@@ -5,7 +5,7 @@
     <img src="{{ bucket_image }}" class="img-responsive center-block" id="bucket_image" />
     <div class="text-center">
       {{controller_id}}:
-      {{#with last_sensor_reading}} <strong> {{ temperatureValue }} °C, {{ humidityValue }} % </strong>  {{/with}}
+      {{#with last_sensor_reading}} <strong> temp: {{ temperatureValue }} °C, vlaga: {{ humidityValue }} % <br/>nivo vode: {{water_level}} </strong>  {{/with}}
     </div>
     <div class="text-center">
       Automatsko zalijevanje:<br /> <strong>{{ pretty_days config.automaticDaysOfWeek }} {{ pretty_time config.automaticDaysOfWeek config.automaticTimeOfDay }}</strong> <button id="run_settings" class="btn btn-default"> <i class="fa fa-wrench"></i> </button>