[libpng12] Update CHANGES with dates of some early releases.

ANNOUNCE

@@ -1,5 +1,5 @@
 
-Libpng 1.2.54beta01 - May 9, 2015
+Libpng 1.2.54beta01 - May 15, 2015
 
 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.
@@ -43,11 +43,12 @@ Other information:
 
 Changes since the last public release (1.2.53):
 
-version 1.2.54beta01 [May 9, 2015]
+version 1.2.54beta01 [May 15, 2015]
   Fix typecast in a png_debug2() statement in png_set_text_2() to
     avoid a compiler warning in PNG_DEBUG builds.
   Fixed printf formats in pngtest.c to avoid compiler warnings and a
     Coverity warning in PNG_DEBUG builds.
+  Avoid Coverity issue 80858 (REVERSE NULL) in pngtest.c PNG_DEBUG builds.
 
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CHANGES

@@ -1,11 +1,14 @@
 #if 0
 CHANGES - changes for libpng
 
-version 0.2
+version 0.1 [March 29, 1995]
+  initial beta release
+
+version 0.2 [April 1, 1995]
   added reader into png.h
   fixed small problems in stub file
 
-version 0.3
+version 0.3 [April 8, 1995]
   added pull reader
   split up pngwrite.c to several files
   added pnglib.txt
@@ -16,7 +19,7 @@ version 0.3
   added K&R support
   added check for 64 KB blocks for 16 bit machines
 
-version 0.4
+version 0.4 [April 26, 1995]
   cleaned up code and commented code
   simplified time handling into png_time
   created png_color_16 and png_color_8 to handle color needs
@@ -27,28 +30,29 @@ version 0.4
   cleaned up zTXt reader and writer (using zlib's Reset functions)
   split transformations into pngrtran.c and pngwtran.c
 
-version 0.5
+version 0.5 [April 30, 1995]
   interfaced with zlib 0.8
   fixed many reading and writing bugs
   saved using 3 spaces instead of tabs
 
-version 0.6
+version 0.6 [May 1, 1995]
+  first beta release
   added png_large_malloc() and png_large_free()
   added png_size_t
   cleaned up some compiler warnings
   added png_start_read_image()
 
-version 0.7
+version 0.7 [June 24, 1995]
   cleaned up lots of bugs
   finished dithering and other stuff
   added test program
   changed name from pnglib to libpng
 
-version 0.71 [June, 1995]
+version 0.71 [June 26, 1995]
   changed pngtest.png for zlib 0.93
   fixed error in libpng.txt and example.c
 
-version 0.8
+version 0.8 [August 20, 1995]
   cleaned up some bugs
   added png_set_filler()
   split up pngstub.c into pngmem.c, pngio.c, and pngerror.c
@@ -1304,8 +1308,9 @@ version 1.2.6beta4 [July 28, 2004]
   Removed some redundancy with #ifdef/#endif in png_malloc_default().
   Use png_malloc instead of png_zalloc to allocate the pallete.
 version 1.0.16rc1 and 1.2.6rc1 [August 4, 2004]
-  Fixed buffer overflow vulnerability in png_handle_tRNS()
+  Fixed buffer overflow vulnerability (CVE-2004-0597) in png_handle_tRNS().
-  Fixed integer arithmetic overflow vulnerability in png_read_png().
+  Fixed NULL dereference vulnerability (CVE-2004-0598) in png_handle_iCCP().
+  Fixed integer overflow vulnerability (CVE-2004-0599) in png_read_png().
   Fixed some harmless bugs in png_handle_sBIT, etc, that would cause
     duplicate chunk types to go undetected.
   Fixed some timestamps in the -config version
@@ -2852,11 +2857,12 @@ version 1.2.53rc02 [February 21, 2015]
 versions 1.0.63 and 1.2.53 [February 26, 2015]
   No changes.
 
-version 1.2.54beta01 [May 9, 2015]
+version 1.2.54beta01 [May 15, 2015]
   Fixed typecast in a png_debug2() statement in png_set_text_2() to
     avoid a compiler warning in PNG_DEBUG builds.
   Fixed printf formats in pngtest.c to avoid compiler warnings and a
     Coverity warning in PNG_DEBUG builds.
+  Avoid Coverity issue 80858 (REVERSE NULL) in pngtest.c PNG_DEBUG builds.
 
 Send comments/corrections/commendations to png-mng-implement at lists.sf.net
 (subscription required; visit