Merge commit 'v0.2.1'

* commit 'v0.2.1':
  Update ChangeLog
  update NEWS
  bump version to 0.2.1
  libwebp: validate chunk size in ParseOptionalChunks
  cwebp (windows): fix alpha image import on XP
  autoconf/libwebp: enable dll builds for mingw
  [cd]webp: always output windows errors
  fix double to float conversion warning
  cwebp: fix jpg encodes on XP
  VP8LAllocateHistogramSet: fix overflow in size calculation
  GetHistoBits: fix integer overflow
  EncodeImageInternal: fix uninitialized free
  fix the -g/O3 discrepancy for 32bit compile
  fix the BITS=8 case
  Make *InitSSE2() functions be empty on non-SSE2 platform
  make *InitSSE2() functions be empty on non-SSE2 platform
  make VP8DspInitNEON() public

Conflicts:
	src/Makefile.am
	src/dsp/dec_neon.c

Change-Id: Iddc5152e4a6892db96c12d7c3f74adbc85fe6178

src/Makefile.am

@@ -24,7 +24,7 @@ libwebp_la_LIBADD += utils/libwebputils.la
 # other than the ones listed on the command line, i.e., after linking, it will
 # not have unresolved symbols. Some platforms (Windows among them) require all
 # symbols in shared libraries to be resolved at library creation.
-libwebp_la_LDFLAGS = -no-undefined -version-info 4:0:0
+libwebp_la_LDFLAGS = -no-undefined -version-info 4:1:0
 libwebpincludedir = $(includedir)/webp
 
 pkgconfig_DATA = libwebp.pc

src/dec/vp8i.h

@@ -28,7 +28,7 @@ extern "C" {
 // version numbers
 #define DEC_MAJ_VERSION 0
 #define DEC_MIN_VERSION 2
-#define DEC_REV_VERSION 0
+#define DEC_REV_VERSION 1
 
 #define ONLY_KEYFRAME_CODE      // to remove any code related to P-Frames
 

src/enc/vp8enci.h

@@ -27,7 +27,7 @@ extern "C" {
 // version numbers
 #define ENC_MAJ_VERSION 0
 #define ENC_MIN_VERSION 2
-#define ENC_REV_VERSION 0
+#define ENC_REV_VERSION 1
 
 // intra prediction modes
 enum { B_DC_PRED = 0,   // 4x4 modes