Update ingame changelog

Update inappchangelog

Simplify API implementations by removing LiteNetLib dependency (#312)

- Removed the LiteNetLib from CSM.API so implementing mods don't throw errors if CSM is not available.
  This is realized by removing the NetPeer field from the Player class.
- Also explain how the bundled protobuf-net.dll is created
- Update changelog panel

* Fix transport line synchronization, remove transport tool sync for now (which was broken anyway)

Merge pull request #299 from CitiesSkylinesMultiplayer/update-1.15.1

Update to Cities 1.15.1

Merge pull request #287 from CitiesSkylinesMultiplayer/DominicMaas/co…

…pyright

Align all our copyrights and remove reference to tango

Update for Plazas and Promenades (#280)

- Some radio stations were moved to different bitmap
- Change ApplyBrush method parameters
- Update release notes
Fixes #279

Merge pull request #266 from CitiesSkylinesMultiplayer/fix-airport-up…

…date

Fix compilation/patching issues from the airport update

Add release notes (#247)

* Add release notes panel that is shown once for a new version

Fix speed and pause issues (#215)

- Don't allow new SpeedPauseResponses until the requested states have been reached
This will fix issues with multiple simultaneous button presses
- Don't wait for answers of connecting clients to pause the game
- Handle play requests just like other requests to be able to wait for completion

Merge pull request #194 from kaenganxt/fixZones

Fix zone sync