Configuration changes (helidon-io#1357)

* Removal of project Reactor.
* Change support refactoring - in progress.
* Fixed value resolving, MP uses latest config.
* Longer timeouts for slow tests.

Signed-off-by: Tomas Langer <tomas.langer@oracle.com>

Author: tomas-langer

3RD-PARTY.txt

@@ -1313,153 +1313,6 @@ Copyright 2017-2018 The OpenTracing Authors
 Apache License, Version 2.0
 --------------------------------------------
 
-=======================
-reactor-core 3.1.5-RELEASE
-=======================
-
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 =======================
 SLF4J 1.7.15

CHANGELOG.md

@@ -78,7 +78,6 @@ Notable changes:
 - Upgrade Netty to 4.1.45 [1309](https://github.com/oracle/helidon/pull/1309)
 - Upgrade Google libraries for Google login provider. [1229](https://github.com/oracle/helidon/pull/1229)
 - Upgrade H2, HikariCP, Jedis, OCI SDK versions [1198](https://github.com/oracle/helidon/pull/1198)
-- Upgrade reactor to 3.3.1-RELEASE [1235](https://github.com/oracle/helidon/pull/1235)
 - Upgrade to FT 2.0.2 and Failsafe 2.2.3 [1204](https://github.com/oracle/helidon/pull/1204)
 
 
@@ -99,6 +98,7 @@ Here are the details:
 - Removed `io.helidon.common.OptionalHelper`, please use methods of `java.util.Optional`
 - Removed `io.helidon.common.StackWalker`, please use `java.lang.StackWalker`
 - Removed `io.helidon.common.InputStreamHelper`, please use `java.io.InputStream` methods
+- Removed dependency on Project Reactor
 
 #### Tracing
 - We have upgraded to OpenTracing version 0.33.0 that is not backward compatible, the following breaking changes exist

common/reactive/pom.xml

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
 
-    Copyright (c) 2018, 2020 Oracle and/or its affiliates. All rights reserved.
+    Copyright (c) 2018, 2020 Oracle and/or its affiliates.
 
     Licensed under the Apache License, Version 2.0 (the "License");
     you may not use this file except in compliance with the License.
@@ -66,10 +66,6 @@
             <groupId>io.helidon.common</groupId>
             <artifactId>helidon-common-mapper</artifactId>
         </dependency>
-        <dependency>
-            <groupId>io.projectreactor</groupId>
-            <artifactId>reactor-core</artifactId>
-        </dependency>
         <dependency>
             <groupId>org.junit.jupiter</groupId>
             <artifactId>junit-jupiter-api</artifactId>

common/reactive/src/main/java/io/helidon/common/reactive/OriginThreadPublisher.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017, 2019 Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2017, 2020 Oracle and/or its affiliates.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -33,9 +33,9 @@
  * {@link #submit(Object)}. In other words, whenever the source of chunks sends data, the same thread is used to deliver the data
  * to the subscriber.
  * <p>
- * Standard publisher implementations (such as {@link SubmissionPublisher} or Reactor Flux would use the same thread as
- * {@link Subscription#request(long)} was called on to deliver the chunk when the data are already available; this implementation
- * however strictly uses the originating thread.<p>
+ * Standard publisher implementations (such as {@link java.util.concurrent.SubmissionPublisher} or Reactor Flux would use
+ * the same thread as {@link Subscription#request(long)} was called on to deliver the chunk when the data are already available;
+ * this implementation however strictly uses the originating thread.<p>
  * In order to be able to achieve such behavior, this publisher provides hooks on subscription methods: {@link #hookOnCancel()}
  * and {@link #hookOnRequested(long, long)}.
  * </p>