* User center insertion point for merc arrival
instead of initial arrival gridno that is meant only for the very first helidrop arrival at the start of a game.
* Prevent possible nullptr dereference
* Move main executable files to their own directory
* Adapt the build to the new file structure
... and fix some weird #include's that were relying on the project root
being an include directory.
Asdow
BeatAroundTheBuscherandGitHub
majcostaandGitHub