Buildsystem/Linux: Deprecate and remove use of FindTermcap.cmake - it was only used as a solution for older CentOS versions

Core/Genrevision: Move defines from SystemConfig.h file into into revision.h (might need a rename now?) and delete it.
This should remove the infamous "rebuild all of game plzkthx"-symptom when upgrading to newer revisions.

--HG--
branch : trunk

src/server/shared/Debugging/WheatyExceptionReport.cpp

@@ -13,10 +13,9 @@
 #include <stdio.h>
 #include <tchar.h>
 #define _NO_CVCONST_H
+#include "revision.h"
 #include <dbghelp.h>
 #include "WheatyExceptionReport.h"
-#include "SystemConfig.h"
-#include "revision.h"
 #define CrashFolder _T("Crashes")
 #pragma comment(linker, "/DEFAULTLIB:dbghelp.lib")
 
@@ -1038,4 +1037,4 @@ int __cdecl WheatyExceptionReport::_tprintf(const TCHAR * format, ...)
     return retValue;
 }
 
-#endif  // _WIN32
+#endif  // _WIN32