[libpng17] Imported from libpng-1.7.0beta35.tar

ANNOUNCE

@@ -1,5 +1,5 @@
 
-Libpng 1.7.0beta35 - April 10, 2014
+Libpng 1.7.0beta35 - August 6, 2014
 
 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.
@@ -574,7 +574,7 @@ Version 1.7.0beta34 [March 17, 2014]
   Changed ZlibSrcDir from 1.2.5 to 1.2.8 in projects/vstudio.
   Moved configuration information from the manual to the INSTALL file.
 
-Version 1.7.0beta35 [April 10, 2014]
+Version 1.7.0beta35 [August 6, 2014]
   Removed #if/#else/#endif from inside two pow() calls in pngvalid.c because
     they were handled improperly by Portland Group's PGI-14.1 - PGI-14.3
     when using its "__builtin_pow()" function.
@@ -587,6 +587,11 @@ Version 1.7.0beta35 [April 10, 2014]
     macro.
   Fixed a typo in pngrutil.c, introduced in libpng-1.5.6, that interferes
     with "blocky" expansion of sub-8-bit interlaced PNG files (Eric Huss).
+  Removed scripts/makefile.elf. It has not worked since libpng-1.5.0beta14
+    due to elimination of the PNG_FUNCTION_EXPORT and PNG_DATA_EXPORT
+    definitions from pngconf.h.
+  Ensure that CMakeLists.txt makes the target "lib" directory before making
+    symbolic link into it (SourceForge bug report #226 by Rolf Timmermans).
 
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