SUBMITTING: fix URL

git-svn-id: https://svn.osgeo.org/grass/grass/branches/releasebranch_7_0@60687 15284696-431f-4ddb-bdfa-cd5b030d7da7

SUBMITTING

@@ -487,7 +487,7 @@ following rules:
 
 33. In case of questions feel free to contact the developers at the above
     mailing list.
-    http://grass.osgeo.org/devel/index.php#submission
+    http://grass.osgeo.org/development/
 
 ...
 [please add further hints if required]

SUBMITTING_PYTHON

@@ -171,7 +171,7 @@ COPYRIGHT: (C) 2007 John Doe, and by the GRASS Development Team
 
 14. In case of questions feel free to contact the developers at the above
     mailing list.
-    http://grass.osgeo.org/devel/index.php#submission
+    http://grass.osgeo.org/development/
 
 ...
 [please add further hints if required]

SUBMITTING_WXGUI

@@ -151,7 +151,7 @@ care of following rules:
 
 15. In case of questions feel free to contact the other developers at the above
     mailing list.
-    http://grass.osgeo.org/devel/index.php#submission
+    http://grass.osgeo.org/development/
 
 
 [please add further hints if required]