Move version string from Constants to GameVersion header - no need for this stuff to be all over the place

Author: MaximDude

System/Constants.h

@@ -10,10 +10,6 @@ namespace RTE {
 	typedef int MID; //!< Distinctive type definition for Material IDs.
 #pragma endregion
 
-#pragma region Game Version
-	static constexpr const char *c_VersionString = "5.1.0";
-#pragma endregion
-
 #pragma region Userdata Constants
 	static const std::string c_UserScenesModuleName = "UserScenes.rte"; //!< Module name where user created Scenes are saved.
 	static const std::string c_UserScriptedSavesModuleName = "UserSavedGames.rte"; //!< Module name where user scripted Activity saves are saved.

System/GameVersion.h

@@ -7,6 +7,7 @@
 namespace RTE {
 
 #pragma region Game Version
+	static constexpr const char *c_VersionString = "5.1.0";
 	static const version::Semver200_version c_GameVersion = version::Semver200_version(c_VersionString);
 #pragma endregion