Added myself to the developers section.

This was the final part of the merge of the terrain branch. 

This means trunk is thawed again.

data/about.cfg

@@ -586,7 +586,6 @@ Serge Martin (EdB)
 Jim Carroll (Jimm)
 Petr Sobotka (Pietro)
 Stéphane Gimenez (gim)
-Mark de Wever (Mordante/SkeletonCrew)
 Josef Reidinger (qk)
 Pauli Nieminen (coren/suokko)
 Jonas Lihnell (Roze)

src/about.cpp

@@ -52,6 +52,7 @@ std::vector<std::string> get_text(std::string campaign) {
 		"-   J.R. Blain (Cowboy)",
 		"-   Kristoffer Erlandsson (erl)",
 		"-   Maksim Orlovich (SadEagle)",
+		"-   Mark de Wever (Mordante/SkeletonCrew)",
 		"-   Nicolas Weeger (Ryo)",
 		"-   Patrick Parker (Sapient)",
 		"-   Philippe Plantier (Ayin)",