remove pointers to jira (#35)

diff --git a/.github/PULL_REQUEST_TEMPLATE.md b/.github/PULL_REQUEST_TEMPLATE.md
index 4d3c70a..630c37d 100644
--- a/.github/PULL_REQUEST_TEMPLATE.md
+++ b/.github/PULL_REQUEST_TEMPLATE.md
@@ -3,8 +3,8 @@
 1. If this is your first time, please read our contributor guidelines:
     - https://streampipes.apache.org/getinvolved.html
     - https://cwiki.apache.org/confluence/display/STREAMPIPES/Getting+Started
-2. Make sure the PR title is formatted like: `[STREAMPIPES-<Jira issue #>] PR title ...`
-3. If the PR is unfinished, add '[WIP]' in your PR title, e.g., `[WIP][STREAMPIPES-<Jira issue #>] PR title ...`.
+2. Make sure the PR title is formatted like: `[<# GitHub issue id>] PR title ...`
+3. If the PR is unfinished, add '[WIP]' in your PR title, e.g., `[WIP][<# GitHub issue id>] PR title ...`.
 4. Please write your PR title to summarize what this PR proposes/fixes.
 5. Be sure to keep the PR description updated to reflect all changes.
 6. If possible, provide a concise example to reproduce the issue for a faster review.
@@ -32,4 +32,4 @@
 <!--
 List related issues/PRs, link to discussions in the mailing list, todo items, or any other notes related to the PR.
 -->
-Fixes: <Jira issue link>
+Fixes: <GitHub issue link>
diff --git a/documentation/docs/09_contribute.md b/documentation/docs/09_contribute.md
index 8faf2c2..47d39d2 100644
--- a/documentation/docs/09_contribute.md
+++ b/documentation/docs/09_contribute.md
@@ -12,6 +12,6 @@
 Here are some first steps in case you want to contribute:
 * Subscribe to our dev mailing list [dev-subscribe@streampipes.apache.org](dev-subscribe@streampipes.apache.org)
 * Send an email, tell us about your interests and which parts of Streampipes you'd like to contribute (e.g., core or UI)!
-* Ask for a mentor who helps you understanding the code base and guides you through the first setup steps
-* Find an issue in our [Jira](https://issues.apache.org/jira/projects/STREAMPIPES) which is tagged with a _newbie_ tag
+* Ask for a mentor who helps you to understand the code base and guides you through the first setup steps
+* Find an issue on [GitHub](https://github.com/apache/streampipes/issues) which is tagged with a _good first issue_ tag
 * Have a look at our **developer wiki** at [https://cwiki.apache.org/confluence/display/STREAMPIPES](https://cwiki.apache.org/confluence/display/STREAMPIPES) to learn more about StreamPipes development.
diff --git a/documentation/docs/09_get-help.md b/documentation/docs/09_get-help.md
index 0203d08..b36bc09 100644
--- a/documentation/docs/09_get-help.md
+++ b/documentation/docs/09_get-help.md
@@ -19,8 +19,8 @@
 
 ## Bugs and Feature Requests
 
-If you've found a bug or have a feature that you'd love to see in StreamPipes, feel free to create an issue in our Jira:
-[https://issues.apache.org/jira/projects/STREAMPIPES](https://issues.apache.org/jira/projects/STREAMPIPES)
+If you've found a bug or have a feature that you'd love to see in StreamPipes, feel free to create an issue on [GitHub](https://github.com/apache/streampipes/issues)
+or [discuss your ideas](https://github.com/apache/streampipes/discussions/categories/ideas).
 
 
 
diff --git a/documentation/website/pages/en/versions.js b/documentation/website/pages/en/versions.js
index 0473f7d..19d2bce 100644
--- a/documentation/website/pages/en/versions.js
+++ b/documentation/website/pages/en/versions.js
@@ -71,7 +71,7 @@
                   <a href="https://streampipes.apache.org/mailinglists.html">&#x1F4EF; Mailing list</a>
                 </td>
                 <td>
-                  <a href="https://issues.apache.org/jira/projects/STREAMPIPES/issues/">&#x1F4A1; Issue Tracker</a>
+                  <a href="https://github.com/apache/streampipes/issues">&#x1F4A1; Issue Tracker</a>
                 </td>
               </tr>
             </tbody>
diff --git a/website/getinvolved.ejs b/website/getinvolved.ejs
index fb9570c..902d18c 100644
--- a/website/getinvolved.ejs
+++ b/website/getinvolved.ejs
@@ -20,7 +20,7 @@
                     <p>There are many ways to help. Become part of a highly motivated community and help growing
                         StreamPipes:</p>
                     <ul>
-                        <li><i class="fas fa-check sp-color-green"></i> Submit a bug report in our <a href="https://issues.apache.org/jira/browse/STREAMPIPES">JIRA</a></li>
+                        <li><i class="fas fa-check sp-color-green"></i> Submit a bug report on <a href="https://github.com/apache/streampipes/issues">GitHub</a></li>
                         <li><i class="fas fa-check sp-color-green"></i> Subscribe to our <a href="/mailinglists.html">mailing lists</a></li>
                         <li><i class="fas fa-check sp-color-green"></i> Create a pull request on Github</li>
                     </ul>
diff --git a/website/partials/_nav.ejs b/website/partials/_nav.ejs
index fea5882..3b72410 100644
--- a/website/partials/_nav.ejs
+++ b/website/partials/_nav.ejs
@@ -52,7 +52,7 @@
                                         <li class="nav-item"><a class="nav-link"
                                                                 href="/docs/index.html">Documentation</a></li>
                                         <li class="nav-item"><a class="nav-link"
-                                                                href="https://issues.apache.org/jira/projects/STREAMPIPES/">Issue Tracker</a></li>
+                                                                href="https://github.com/apache/streampipes/issues">Issue Tracker</a></li>
                                         <li class="nav-item"><a class="nav-link"
                                                                 href="http://cwiki.apache.org/confluence/display/STREAMPIPES">Wiki</a></li>
                                         <li class="nav-item"><a class="nav-link" href="/media.html">Slides & Videos</a>