BSD: Add support (#140)

* BSD: Add support

* BSD: other fixes

There is still a bug when vgui haven't got text, maybe because of resources.

Also there is bug where when trying to start new game caption names shows wrong.

* BSD: Debugging

* BSD: modify preprocessor and fix windows

* BSD: Remove debugging and fix labels in gameui

* BSD: Remove disabling some DX9 commands

* BSD: Remove -g flag

engine/sv_main.cpp

@@ -2714,6 +2714,14 @@ bool CGameServer::SpawnServer( const char *szMapName, const char *szMapFile, con
 		event->SetString( "os", "LINUX" );
 #elif defined ( OSX )
 		event->SetString( "os", "OSX" );
+#elif defined(BSD)
+    event->SetString("os",
+#    ifdef __FreeBSD__
+      "FreeBSD"
+#    else
+      "BSD"
+#    endif
+    );
 #else
 #error
 #endif