Fixed terrain2wiki script not working with certain comments

The script errored if a comment not starting at the start of the line was found in the cfg file.

data/tools/terrain2wiki.py

@@ -38,8 +38,8 @@ def parse_terrain(data):
     """
 
     # Remove all comments.
-    data = "\n".join([i for i in data.split("\n") if not i.startswith("#")])
-    terrains = re.compile("\[terrain_type\](.*?)\[\/terrain_type\]", re.DOTALL).findall(data)
+    data = "\n".join([i for i in data.split("\n") if not re.match("^\s*#", i)])
+    terrains = re.compile(r"\[terrain_type\](.*?)\[\/terrain_type\]", re.DOTALL).findall(data)
 
     data = """{{AutogeneratedWML}}{| border="1"
 !terrain