Change links back to GitHub

CHANGELOG.md

@@ -21,5 +21,5 @@ model.
 - Unit tests
 - Build automation via GitLab CI
 
-[Unreleased]: https://gitlab.com/pvorb/platon/compare/v0.1.0...HEAD
-[0.1.0]: https://gitlab.com/pvorb/platon/compare/5c5470ae...v0.1.0
+[Unreleased]: https://github.com/pvorb/platon/compare/v0.1.0...HEAD
+[0.1.0]: https://github.com/pvorb/platon/compare/5c5470ae...v0.1.0

CONTRIBUTING.md

@@ -2,14 +2,14 @@
 
 ## Filing bugs
 
-- **Ensure the bug was not already reported** by searching existing [issues](https://gitlab.com/pvorb/platon/issues).
+- **Ensure the bug was not already reported** by searching existing [issues](https://github.com/pvorb/platon/issues).
 - When reporting a new bug, be sure to add the version you are using.
 
 ## Contributing features
 
 This project follows the [GitFlow](http://nvie.com/posts/a-successful-git-branching-model/) branching model.
 
-- Please have a look at the list of [approved open issues](https://gitlab.com/pvorb/platon/issues?label_name=approved)
+- Please have a look at the list of [approved open issues](https://github.com/pvorb/platon/issues?label_name=approved)
   before starting development on a new feature.
 - If your feature is not in the list, please open a new issue first where the usefulness of a new feature can be
   discussed.

pom.xml

@@ -8,13 +8,13 @@
     <packaging>jar</packaging>
 
     <name>Platon</name>
-    <url>https://gitlab.com/pvorb/platon</url>
+    <url>https://github.com/pvorb/platon</url>
     <description>A comment server</description>
 
     <scm>
-        <connection>scm:git:git://gitlab.com/pvorb/platon.git</connection>
-        <developerConnection>scm:git:ssh://git@gitlab.com:pvorb/platon.git</developerConnection>
-        <url>https://gitlab.com/pvorb/platon.git</url>
+        <connection>scm:git:git://github.com/pvorb/platon.git</connection>
+        <developerConnection>scm:git:ssh://git@github.com:pvorb/platon.git</developerConnection>
+        <url>https://github.com/pvorb/platon.git</url>
     </scm>
 
     <licenses>