Clean up logging and improve web interface

data/config.html

@@ -51,7 +51,7 @@
    <form class="">
      <div class="form-row align-items-center config-item" data-key="watch">
        <div class="col-sm-5 my-1">
-         <span>Period between filesystem checks</span>
+         <span>Period between filesystem checks (seconds)</span>
        </div>
        <div class="col-sm-4 my-1">
          <label class="sr-only" for="inlineFormInputName">Seconds</label>
@@ -81,9 +81,6 @@
      </div>
    </form>
 
-   <p class="lead">
-     <a href="#" class="btn btn-lg btn-secondary">Learn more</a>
-   </p>
  </main>