doc: updated credits and changelog.

doc/changelog.dox

@@ -199,6 +199,9 @@ See also:
     @ref Math::slerpShortestPath(const Quaternion<T>&, const Quaternion<T>&, T)
     now fall back to linear interpolation when the quaternions are close to
     each other, instead of unconditionally returning the first argument
+-   Added non-const overloads to @ref Math::Frustum::operator[]() and
+    @ref Math::Frustum::front() etc. accessors, returning references (see
+    [mosra/magnum#425](https://github.com/mosra/magnum/pull/425))
 
 @subsubsection changelog-latest-changes-meshtools MeshTools library
 

src/Magnum/Math/Frustum.h

@@ -5,7 +5,7 @@
 
     Copyright © 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019
               Vladimír Vondruš <mosra@centrum.cz>
-    Copyright © 2016 Jonathan Hale <squareys@googlemail.com>
+    Copyright © 2016, 2020 Jonathan Hale <squareys@googlemail.com>
 
     Permission is hereby granted, free of charge, to any person obtaining a
     copy of this software and associated documentation files (the "Software"),

src/Magnum/Math/Test/FrustumTest.cpp

@@ -3,7 +3,7 @@
 
     Copyright © 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019
               Vladimír Vondruš <mosra@centrum.cz>
-    Copyright © 2016 Jonathan Hale <squareys@googlemail.com>
+    Copyright © 2016, 2020 Jonathan Hale <squareys@googlemail.com>
 
     Permission is hereby granted, free of charge, to any person obtaining a
     copy of this software and associated documentation files (the "Software"),