Fix broken links in help (#66)

* Fix broken links in help

* Use modern Javadoc URLs

* Link to plugin documentation instead of wiki

The wiki page redirects to the plugin site page already.

---------

Co-authored-by: Mark Waite <[email protected]>

README.md

@@ -80,9 +80,9 @@ You can always use *approved methods*, but you can use *non-approved methods* on
 Methods returning non-primitive objects aren't approved.
 The groovy postbuild plugin doesn't ensure that the methods of the returned object are safe.
 
--   `build` - the current build - [javadoc](https://javadoc.jenkins-ci.org/hudson/model/AbstractBuild.html)
--   `hudson` - the current controller instance - [javadoc](https://javadoc.jenkins-ci.org/hudson/model/Hudson.html)
--   `listener` - the build listener - [javadoc](https://javadoc.jenkins-ci.org/hudson/model/BuildListener.html)
+-   `build` - the current build - [javadoc](https://javadoc.jenkins.io/hudson/model/AbstractBuild.html)
+-   `jenkins` - the current controller instance - [javadoc](https://javadoc.jenkins.io/jenkins/model/Jenkins.html)
+-   `listener` - the build listener - [javadoc](https://javadoc.jenkins.io/hudson/model/BuildListener.html)
 
 #### Environment variables
 

src/main/resources/org/jvnet/hudson/plugins/groovypostbuild/GroovyPostbuildRecorder/help.jelly

@@ -4,9 +4,9 @@
       Executes a groovy script in the Jenkins JVM. Typically, the script checks some conditions and changes accordingly the build result, puts badges next to the build in the build history and/or displays information on the build summary page.
   <br/>The groovy script can use the variable <i>manager</i>, which provides access to the following objects and methods:
   <ul>
-    <li><code>hudson</code> - the current Hudson instance (<a href="http://javadoc.jenkins-ci.org/?hudson/model/Hudson.html">javadoc</a>).</li>
-    <li><code>build</code> - the current build (<a href="http://javadoc.jenkins-ci.org/?hudson/model/AbstractBuild.html">javadoc</a>).</li>
-    <li><code>listener</code> - the build listener (<a href="http://javadoc.jenkins-ci.org/?hudson/model/BuildListener.html">javadoc</a>).</li>
+    <li><code>jenkins</code> - the current Jenkins instance (<a href="https://javadoc.jenkins.io/jenkins/model/Jenkins.html">javadoc</a>).</li>
+    <li><code>build</code> - the current build (<a href="http://javadoc.jenkins.io/hudson/model/AbstractBuild.html">javadoc</a>).</li>
+    <li><code>listener</code> - the build listener (<a href="http://javadoc.jenkins.io/hudson/model/BuildListener.html">javadoc</a>).</li>
     <P/>
     <li><code>contains(file, regexp)</code> - returns true if the given file contains a line matching <i>regexp</i>.</li>
     <li><code>logContains(regexp)</code> - returns true if the build log file contains a line matching <i>regexp</i>.</li>
@@ -43,6 +43,6 @@
 	<li>The script also has two ways of accessing environment variables. The first one is a quick and dirty one time access if you needed
 	only one variable. You could do that with <code>manager.envVars["variable"]</code>.</li>
 	<li>If you wanted to get a hashmap of the entire environment, use <code> def environment = manager.getEnvVars()</code> and simply use environment as a hash map.</li>
-  See <a href="https://wiki.jenkins-ci.org/display/JENKINS/Groovy+Postbuild+Plugin">Jenkins Wiki</a> for more information.
+  See <a href="https://plugins.jenkins.io/groovy-postbuild/">plugin documentation</a> for more information.
 </div>
 </l:ajax>