improve UX of the outputs from the POV of somebody who uses them for the first time

Author: Lennart Koopmann

app/views/streams/outputs/index.scala.html

@@ -15,8 +15,16 @@ <h1>
             <i class="icon icon-download-alt"></i>
             Outputs for Stream &raquo;@stream.getTitle&laquo;
         </h1>
-        Graylog2 nodes can forward messages of this stream via outputs. Launch or terminate as many outputs as you want here.
-        You can also reuse outputs for other streams. A global view of all configured outputs is <a href="@routes.OutputsController.index()">here</a>.
+        Graylog2 nodes can forward messages of streams via outputs. Launch or terminate as many outputs as you want here.
+        You can also reuse outputs that are already running for other streams.
+
+        A global view of all configured outputs is available <a href="@routes.OutputsController.index()">here</a>.
+
+        <br />
+        <br />
+        <i>Removing</i> an output removes it from this stream but is still in the list of available outputs
+        and <i>terminating</i> will stop it for all streams and remove it from all configurations and lists
+        completely.
     </div>
 
     @if(isPermitted(OUTPUTS_CREATE)) {
@@ -60,7 +68,7 @@ <h2><i class="icon icon-cogs"></i> Configured outputs</h2>
                 @views.html.system.outputs.partials.output_summary.render(output, stream)
             }
         } else {
-            <div class="alert alert-info">There are no outputs for this stream. All messages will go to the default output only</div>
+            <div class="alert alert-info">There are no outputs for this stream. All messages will go to the default output only.</div>
         }
     </div>
 }

app/views/system/outputs/partials/output_summary.scala.html

@@ -11,10 +11,11 @@
              
         @if(stream != null && isPermitted(STREAM_OUTPUTS_DELETE)) {
             <form action="@routes.StreamOutputsController.remove(stream.getId, output.getId)" method="POST">
-                <button class="btn btn-danger btn-mini"
+                <button class="btn btn-warning btn-mini"
                 type="submit"
-                data-confirm="Really remove output from stream?">
-                    Remove
+                data-confirm="Really remove output from stream?"
+                >
+                    Remove from stream
                 </button>
             </form>
         }