Prepare unofficial pandora release

The code is based on the 'v3.13-final' tag.

Change-Id: Id2616ea478f9c9b76bb3307d03d1d043ec81074f
diff --git a/packaging/pandora/PXML.xml b/packaging/pandora/PXML.xml
index d81cd92..6b8653b 100644
--- a/packaging/pandora/PXML.xml
+++ b/packaging/pandora/PXML.xml
@@ -6,7 +6,7 @@
     <author name="Thomas Jarosch" website="http://www.rockbox.org"/>
 
     <!-- Note: Another version tag below -->
-    <version major="3" minor="12" release="x" build="1"/>
+    <version major="3" minor="13" release="x" build="1"/>
 
     <titles>
       <title lang="en_US">Rockbox</title>
@@ -34,7 +34,7 @@
 
     <author name="The rockbox team" website="http://www.rockbox.org"/>
 
-    <version major="3" minor="12" release="x" build="1"/>
+    <version major="3" minor="13" release="x" build="1"/>
 
     <osversion major="1" minor="0" release="0" build="0"/>