doc: fix broken forum links (#5249)

Author: jdrueckert

docs/Codebase-Structure.md

@@ -27,9 +27,9 @@ The primary repo containing the engine is the first and only thing you need to r
 
 Along with the engine you get the PC Facade and a few embedded modules. Everything else lives in independent GitHub repos that can be added to your local workspace as sub-projects. You can edit several at once, commit files across multiple Git roots, and push it all to each affected repo on GitHub in one action.
 
-It also comes with several utility tasks, such as project file generation for [IDEA IntelliJ](http://www.jetbrains.com/idea). This is our recommended IDE (with a [freebie Ultimate Edition available](http://forum.movingblocks.net/threads/how-to-use-this-forum.33/#post-8778) for contributors) and the customized setup for it is fairly detailed.
+It also comes with several utility tasks, such as project file generation for [IDEA IntelliJ](http://www.jetbrains.com/idea). This is our recommended IDE (with a [freebie Ultimate Edition available](http://forum.terasology.org/threads/how-to-use-this-forum.33/#post-8778) for contributors) and the customized setup for it is fairly detailed.
 
-You can also use [Eclipse](http://www.eclipse.org/), [NetBeans](https://netbeans.org/), or anything else you like, but you might have to figure out some of the setup details yourself - and if you do please post them in the [forum](http://forum.movingblocks.net/forums/developer-portal.5/) so we can improve the instructions to set up with alternative IDEs :-)
+You can also use [Eclipse](http://www.eclipse.org/), [NetBeans](https://netbeans.org/), or anything else you like, but you might have to figure out some of the setup details yourself - and if you do please post them in the [forum](http://forum.terasology.org/forums/developer-portal.5/) so we can improve the instructions to set up with alternative IDEs :-)
 
 IntelliJ (versions 2020.1 and newer) will load the configuration from gradle after you "Import Gradle Project." The portions of the project configuration not detected from gradle are stored in the `/.idea` directory.
 

docs/Project-Overview.md

@@ -42,7 +42,7 @@ These are indirect parts of the project, such as our supporting site work and la
 * [Applet](https://github.com/MovingBlocks/FacadeApplet) - the Facade running the applet version of the game you can [play in your browser](http://terasology.org/#play)
 * [Splash Site](https://github.com/MovingBlocks/movingblocks.github.com) - our GitHub-hosted front-end site at http://terasology.org offering a few quick links and what not - just in case our primary site gets slammed or something :-)
 * [Gooey](https://github.com/MovingBlocks/Gooey) - our handy little [Hubot](http://hubot.github.com/)-based IRC bot offering witty banter and useful functionality like auto-creating GitHub repos. When he feels like it, anyway!
-* [TeraMisc](https://github.com/MovingBlocks/TeraMisc) - a repository for miscellaneous stuff that doesn't really fit  anywhere else. Like raw model files, assorted utility scripts, stuff for our [XenForo](http://xenforo.com) site ([forum/portal](http://forum.movingblocks.net))
+* [TeraMisc](https://github.com/MovingBlocks/TeraMisc) - a repository for miscellaneous stuff that doesn't really fit  anywhere else. Like raw model files, assorted utility scripts, stuff for our [XenForo](http://xenforo.com) site ([forum/portal](http://forum.terasology.org))
 
 External projects
 ---------
@@ -51,8 +51,8 @@ These are noteworthy external projects we use
 
 * [LWJGL](http://lwjgl.org) - foundation for graphics, sound, and input
 * [Gradle-Git](https://github.com/ajoberstar/gradle-git) - makes Gradle even more magical by adding Git tasks
-* [Jenkins CI](http://jenkins-ci.org) - continuous integration tool, builds our stuff at http://jenkins.movingblocks.net
-* [Artifactory](http://www.jfrog.com/home/v_artifactory_opensource_overview) - repository manager, holds our builds and assorted library files, at http://artifactory.movingblocks.net
-* [XenForo](http://xenforo.com) - our portal/forum site at http://forum.movingblocks.net
+* [Jenkins CI](http://jenkins-ci.org) - continuous integration tool, builds our stuff at https://jenkins.terasology.io
+* [Artifactory](http://www.jfrog.com/home/v_artifactory_opensource_overview) - repository manager, holds our builds and assorted library files, at https://artifactory.terasology.io
+* [XenForo](http://xenforo.com) - our portal/forum site at http://forum.terasology.org