[libpng16] Imported from libpng-1.6.4.tar

ANNOUNCE

@@ -1,44 +1,36 @@
 
-Libpng 1.6.4rc01 - September 5, 2013
+Libpng 1.6.4 - September 12, 2013
 
-This is not intended to be a public release.  It will be replaced
-within a few weeks by a public version or by another test version.
+This is a public release of libpng, intended for use in production codes.
 
 Files available for download:
 
 Source files with LF line endings (for Unix/Linux) and with a
 "configure" script
 
-   1.6.4rc01.tar.xz (LZMA-compressed, recommended)
-   1.6.4rc01.tar.gz
+   libpng-1.6.4.tar.xz (LZMA-compressed, recommended)
+   libpng-1.6.4.tar.gz
 
 Source files with CRLF line endings (for Windows), without the
 "configure" script
 
-   lp164r01.7z  (LZMA-compressed, recommended)
-   lp164r01.zip
+   lpng164.7z  (LZMA-compressed, recommended)
+   lpng164.zip
 
 Other information:
 
-   1.6.4rc01-README.txt
-   1.6.4rc01-LICENSE.txt
+   libpng-1.6.4-README.txt
+   libpng-1.6.4-LICENSE.txt
    Gnupg/*.asc (PGP armored detached signatures)
 
 Changes since the last public release (1.6.3):
-
-Version 1.6.4beta01 [August 21, 2013]
   Added information about png_set_options() to the manual.
   Delay calling png_init_filter_functions() until a row with nonzero filter
     is found.
-
-Version 1.6.4beta02 [August 30, 2013]
   Fixed inconsistent conditional compilation of png_chunk_unknown_handling()
     prototype, definition, and usage.  Made it depend on
     PNG_HANDLE_AS_UNKNOWN_SUPPORTED everywhere.
 
-Version 1.6.4rc01 [September 5, 2013]
-  No changes.
-
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