Updated Changelog (markdown)

Changelog.md

@@ -4,16 +4,24 @@ This change log tracks the releases on our [pilot server](https://recodex.mff.cu
 
 | Date | [web-app](https://github.com/ReCodEx/web-app/releases) | [api](https://github.com/ReCodEx/api/releases) | [worker](https://github.com/ReCodEx/worker/releases) | [broker](https://github.com/ReCodEx/broker/releases) | [fileserver](https://github.com/ReCodEx/fileserver/releases) | [monitor](https://github.com/ReCodEx/monitor/releases) |
 | --- |:---:|:---:|:---:|:---:|:---:|:---:|
-| 14.4.2018     |  ???  |  v1.8.0  |  v1.4.0  |  v1.2.0  |  v1.2.1  |  v1.0.0  |
+| 14.4.2018     |  v1.7.1  |  v1.8.0  |  v1.4.0  |  v1.2.0  |  v1.2.1  |  v1.0.0  |
 | 28.3.2018     |  v1.7.0  |  v1.7.0  |  v1.3.0  |  v1.2.0  |  v1.2.1  |  v1.0.0  |
 | 4.3.2018     |  v1.6.2  |  v1.6.2  |  v1.3.0  |  v1.2.0  |  v1.2.1  |  v1.0.0  |
-| 26.2.2018    |  v1.6.1  |  v1.6.1  |  v1.3.0  |  v1.2.0  |  v1.2.1  |  v1.0.0  |
 
 Older versions are at the bottom of this page.
 
 ## 14.4.2018
 
-* TODO
+* Implementing support for organizational groups (organizational groups are meant for creating hierarchy, they cannot hold students nor assignments).
+* Adding language/environments list to assignments and exercises.
+* Exercise marked as broken on creation and if appropriate on forking
+* Create a submission failure when the submission will not even compile
+* Add revocation mechanism to authentication tokens and invalidation endpoint for all issued tokens of user (API only)
+* Implement issuing of restricted read-only tokens for usage in applications or scripts (API only)
+* Deadline of created assignments is further in the future and not now
+* Implement endpoint for deletion of comments (API only)
+* Refactoring, optimizations, bug fixes
+
 
 ## 28.3.2018
 
@@ -87,6 +95,7 @@ Older versions are at the bottom of this page.
 
 | Date | [web-app](https://github.com/ReCodEx/web-app/releases) | [api](https://github.com/ReCodEx/api/releases) | [worker](https://github.com/ReCodEx/worker/releases) | [broker](https://github.com/ReCodEx/broker/releases) | [fileserver](https://github.com/ReCodEx/fileserver/releases) | [monitor](https://github.com/ReCodEx/monitor/releases) |
 | --- |:---:|:---:|:---:|:---:|:---:|:---:|
+| 26.2.2018    |  v1.6.1  |  v1.6.1  |  v1.3.0  |  v1.2.0  |  v1.2.1  |  v1.0.0  |
 | 25.2.2018    |  v1.6.0  |  v1.6.0  |  v1.3.0  |  v1.2.0  |  v1.2.1  |  v1.0.0  |
 | 15.2.2018    |  v1.5.0  |  v1.5.0  |  v1.3.0  |  v1.2.0  |  v1.2.1  |  v1.0.0  |
 | 16.1.2018    |  v1.4.4  |  v1.4.4  |  v1.2.1  |  v1.2.0  |  v1.2.1  |  v1.0.0  |