Update /rockbox/wps/AUTHORS and theme headers to provide correct attribution

Add a number of missing collaborators to the /rockbox/wps/AUTHORS file and create
a new header to share between the .fms, .sbs, and .wps files in the /rockbox/wps/
directory. No functional changes made, purely cosmetic.

Change-Id: Id4b22d438e340da4dfc18ec8bf0e40088bdc606e
Reviewed-on: http://gerrit.rockbox.org/368
Reviewed-by: Jonathan Gordon <rockbox@jdgordon.info>

wps/AUTHORS

@@ -1,4 +1,4 @@
-All files in this directory and subdirectories are licensed under the Creative
+All files in this directory and its subdirectories are licensed under the Creative
 Commons Attribution-ShareAlike 3.0 Unported license unless another license is
 specifically stated. The full text of this license can be found in the file
 COPYING in this directory.
@@ -6,15 +6,31 @@ COPYING in this directory.
 
 AUTHORS
 
-cabbiev2:
-    Jerry Lange
-    Mark Fawcus
-    Marc Guay
-    Marianne Arnold
-    Johannes Voggenthaler
-    Alex Vanderpol
-    Apoo Maha
-    Nicolas Pennequin
+Cabbie v2.0:
+    Alex Parker
+    Apoorva Mahajan
     Bertrik Sikken
+    Dave Chapman
+    Hayden Pearce
+    Jerry Lange
+    Johannes Voggenthaler
+    Jonathan Gordon
     Keith Perri
+    Marc Guay
+    Marcin Bukat
+    Marianne Arnold
+    Mark Fawcus
+    Maurus Cuelenaere
+    Michael Carr
+    Nicolas Pennequin
+    Rob Purchase
+    Robert Menes
+    Thomas Martitz
+    Tomer Shalev
     Yohann Misquitta
+
+
+Classic Statusbar
+    Marianne Arnold
+    Michael Chicoine
+    Rafaël Carré