Add an optional desktop shortcut for Windows

closes #3853
avoid misleading no sync report available messages
bring back player buildable walls in d2k
Hotkey: O for concrete walls in d2k
Merge pull request #3889 from Mailaender/sync-report-available

Avoid misleading "No sync report available!" messages
Merge pull request #3868 from Mailaender/nsis-shortcuts

Added an optional desktop shortcut for Windows
Merge pull request #3890 from Mailaender/d2k-walls

Brought back concrete walls in D2k
Downsize ant selection box. Fixes #3885
Corrects paradrop description. It actually drops two rocket soldiers as well.
Merge pull request #3893 from reaperrr/ra-fixes

Fixes two cosmetical issues with RA mod
Clean up ActorMap.
Batch ActorMap add/removes and filter invalid ActorsInBox. Fixes #3897.
Fix asset downloader NRE. Fixes #3898.
Upload the source package to the /source/ directory on the server.
Merge pull request #3900 from pchote/website-packaging-fix

Update packaging for recent website changes.
Merge pull request #3899 from pchote/viewport-regression-fixes

Viewport regression fixes
made Firestorm expansion optional
isometry is now WIP ;)
minor StyleCop cleanups
package URL should be good to go now

adapt test file as tibsun.mix is just a container not included