Merge pull request #6 from alletrof/develop

fix(GraylogHTTPPlugin): send 'full_message' when the field exists

Author: goudyj

src/main/java/com/plugin/HttpOutput.java

@@ -98,7 +98,12 @@ public void write(Message msg) throws Exception {
 
         Map<String, Object> payload = new HashMap<>();
         payload.put("intake_key", this.intake_key);
-        payload.put("json", msg.getMessage());
+	if (msg.hasField("full_message")) {
+	    payload.put("json", msg.getFieldAs(String.class, "full_message"));
+	}
+	else {
+            payload.put("json", msg.getMessage());
+	}
 
         this.executeRequest(
                             RequestBody.create(