Update Jira URL.

Author: uhafner

CHANGELOG-old.md

@@ -114,21 +114,21 @@ Fix issues:
 Release date: Aug 28, 2018
 
 Fix issues:
-* [JENKINS-53242](https://issues.jenkins-ci.org/browse/JENKINS-53242) - Can't open "Coverage Report" of multibranch pipeline job because of a JellyTagException
+* [JENKINS-53242](https://issues.jenkins.io/browse/JENKINS-53242) - Can't open "Coverage Report" of multibranch pipeline job because of a JellyTagException
 
 
 # 1.0.4
 Release date: Aug 24, 2018
 
 Fix issues:
 * [PR #49](https://github.com/jenkinsci/code-coverage-api-plugin/pull/49) - Fixed support for multiple coverage files.
-* [JENKINS-53181](https://issues.jenkins-ci.org/browse/JENKINS-53181) - Jacoco adapter does not work if Jacoco plugin is installed too.
+* [JENKINS-53181](https://issues.jenkins.io/browse/JENKINS-53181) - Jacoco adapter does not work if Jacoco plugin is installed too.
 
 # 1.0.3
 Release date: Aug 22, 2018
 
 Fix issues:
-* [JENKINS-53183](https://issues.jenkins-ci.org/browse/JENKINS-53183) - Throw NotSerializableException when used in master/slave set up
+* [JENKINS-53183](https://issues.jenkins.io/browse/JENKINS-53183) - Throw NotSerializableException when used in master/slave set up
 * SECURITY-1119 - potential xss vulnerability
 
 # 1.0.2
@@ -141,7 +141,7 @@ Fix issues:
 Release date: Aug 21, 2018
 
 Fix issues:
-* [JENKINS-53130](https://issues.jenkins-ci.org/browse/JENKINS-53130) - Code coverage 0% in jenkins with Jacoco.
+* [JENKINS-53130](https://issues.jenkins.io/browse/JENKINS-53130) - Code coverage 0% in jenkins with Jacoco.
 
 Enhancements:
 * Add INSTRUCTION metric in JaCoCo adapter.
@@ -153,17 +153,17 @@ Release date: Aug 16, 2018
 
 Features: 
 
-* [JENKINS-51926](https://issues.jenkins-ci.org/browse/JENKINS-51926) - Supporting combining reports within a build(e.g. after parallel() execution in Pipeline).
-* [JENKINS-52666](https://issues.jenkins-ci.org/browse/JENKINS-52666) - Show coverage at the top of the project page.
+* [JENKINS-51926](https://issues.jenkins.io/browse/JENKINS-51926) - Supporting combining reports within a build(e.g. after parallel() execution in Pipeline).
+* [JENKINS-52666](https://issues.jenkins.io/browse/JENKINS-52666) - Show coverage at the top of the project page.
 
 Enhancements:
 
-* [JENKINS-52839](https://issues.jenkins-ci.org/browse/JENKINS-52839) - Make Code Coverage API plugin more generic.
+* [JENKINS-52839](https://issues.jenkins.io/browse/JENKINS-52839) - Make Code Coverage API plugin more generic.
 
 Fix issues:
 
-* [JENKINS-53023](https://issues.jenkins-ci.org/browse/JENKINS-53023) - Fix incorrect coverage calculating. 
-* [JENKINS-52809](https://issues.jenkins-ci.org/browse/JENKINS-52809) - Invalid Jacoco report files also be parsed and add to aggregated report.
+* [JENKINS-53023](https://issues.jenkins.io/browse/JENKINS-53023) - Fix incorrect coverage calculating. 
+* [JENKINS-52809](https://issues.jenkins.io/browse/JENKINS-52809) - Invalid Jacoco report files also be parsed and add to aggregated report.
 * Other trivial bugs.
 
 # 1.0.0-rc-1
@@ -172,20 +172,20 @@ Release date: Jul 30, 2018
 
 Features:
 
-* [JENKINS-51422](https://issues.jenkins-ci.org/browse/JENKINS-51422) - Offer REST API to retrieve the coverage reports in machine-readable format.
-* [JENKINS-51423](https://issues.jenkins-ci.org/browse/JENKINS-51423) - Offer REST API to retrieve the coverage trends in machine-readable format.
-* [JENKINS-51736](https://issues.jenkins-ci.org/browse/JENKINS-51736) - Add support of llvm-cov Report converter.
-* [JENKINS-51814](https://issues.jenkins-ci.org/browse/JENKINS-51814) - Create a Report Detector extension point.
-* [JENKINS-51988](https://issues.jenkins-ci.org/browse/JENKINS-51988) - Add source code navigation.
-* [JENKINS-51424](https://issues.jenkins-ci.org/browse/JENKINS-51424) - Prototype integration between Code Coverage API and Cobertura plugin.
-* [JENKINS-52630](https://issues.jenkins-ci.org/browse/JENKINS-52630) - Migrate LLVM coverage out into new plugin.
+* [JENKINS-51422](https://issues.jenkins.io/browse/JENKINS-51422) - Offer REST API to retrieve the coverage reports in machine-readable format.
+* [JENKINS-51423](https://issues.jenkins.io/browse/JENKINS-51423) - Offer REST API to retrieve the coverage trends in machine-readable format.
+* [JENKINS-51736](https://issues.jenkins.io/browse/JENKINS-51736) - Add support of llvm-cov Report converter.
+* [JENKINS-51814](https://issues.jenkins.io/browse/JENKINS-51814) - Create a Report Detector extension point.
+* [JENKINS-51988](https://issues.jenkins.io/browse/JENKINS-51988) - Add source code navigation.
+* [JENKINS-51424](https://issues.jenkins.io/browse/JENKINS-51424) - Prototype integration between Code Coverage API and Cobertura plugin.
+* [JENKINS-52630](https://issues.jenkins.io/browse/JENKINS-52630) - Migrate LLVM coverage out into new plugin.
 
 Enhancements:
 
-* [JENKINS-51927](https://issues.jenkins-ci.org/browse/JENKINS-51927) - Refactoring the configuration page to make it more user-friendly.
+* [JENKINS-51927](https://issues.jenkins.io/browse/JENKINS-51927) - Refactoring the configuration page to make it more user-friendly.
 
 Fix issues:
-* [JENKINS-52628](https://issues.jenkins-ci.org/browse/JENKINS-52628) - Change current REST API to the standard format.
+* [JENKINS-52628](https://issues.jenkins.io/browse/JENKINS-52628) - Change current REST API to the standard format.
 
 # 1.0.0-alpha-1
 
@@ -196,9 +196,9 @@ Features:
 * Data model based on [Cobertura plugin](https://github.com/jenkinsci/cobertura-plugin).
 * Add Cobertura support.
 * Add Jacoco support.
-* [JENKINS-51363](https://issues.jenkins-ci.org/browse/JENKINS-51363) - Pipeline support.
-* [JENKINS-51364](https://issues.jenkins-ci.org/browse/JENKINS-51364) - Add Threshold conditions so that the reporter can fail the build depending on conditions.
-* [JENKINS-51368](https://issues.jenkins-ci.org/browse/JENKINS-51368) - Modernize report chart.
-* [JENKINS-51609](https://issues.jenkins-ci.org/browse/JENKINS-51609) - Add filter handler so that we can show coverage code in ranged.
-* [JENKINS-51366](https://issues.jenkins-ci.org/browse/JENKINS-51366) - Add auto detector so we can find report automatically.
-* [JENKINS-51611](https://issues.jenkins-ci.org/browse/JENKINS-51611) - Add unit tests.
+* [JENKINS-51363](https://issues.jenkins.io/browse/JENKINS-51363) - Pipeline support.
+* [JENKINS-51364](https://issues.jenkins.io/browse/JENKINS-51364) - Add Threshold conditions so that the reporter can fail the build depending on conditions.
+* [JENKINS-51368](https://issues.jenkins.io/browse/JENKINS-51368) - Modernize report chart.
+* [JENKINS-51609](https://issues.jenkins.io/browse/JENKINS-51609) - Add filter handler so that we can show coverage code in ranged.
+* [JENKINS-51366](https://issues.jenkins.io/browse/JENKINS-51366) - Add auto detector so we can find report automatically.
+* [JENKINS-51611](https://issues.jenkins.io/browse/JENKINS-51611) - Add unit tests.

CONTRIBUTING.md

@@ -53,7 +53,7 @@ It is a good practice is to create branches instead of pushing to master.
 2. In GitHub Web UI click the **New Pull Request** button.
 3. Select `warnings-ng-plugin` as **base fork** and `master` as **base**, then click **Create Pull Request**.
 4. Fill in the Pull Request description. It should reflect the changes, the reason behind the changes, and if available a
-reference to the Jenkins ticket in our [issue tracker](https://issues.jenkins-ci.org/).
+reference to the Jenkins ticket in our [issue tracker](https://issues.jenkins.io/).
 5. Click **Create Pull Request**.
 6. Wait for CI results and reviews. 
 7. Process the feedback (see previous step). If there are changes required, commit them in your local branch and push them