[babl] Created tag babl-0.1.24

[Øyvind Kolås <ok src gnome org>]

The unsigned tag 'babl-0.1.24' was created.

Tagger: Øyvind Kolås <pippin gimp org>
Date: Wed Feb 1 00:38:13 2017 +0100

    babl-0.1.24

Changes since the last tag 'BABL_0_1_22':

Edward E (1):
      babl-cache: implement a better cache path on Win32

Jehan (1):
      docs: s/ftp/https/ and s/downloads/download/ on the download location.

Øyvind Kolås (43):
      post release version bump
      babl-cache: factor out construction of header line
      babl-cache: use babl version in header for releases
      babl-cache: fix mk_ancestry to return 0 when behaving properly
      extensions/16bit: add a couple 16 bit alpha adding fast paths
      extensions: speed up 8bit gray scale for GIMP
      extensions/simple: implement some 32bit integer fast paths
      extensions/simple: reuse some fast paths for more component counts
      extensions/simple: add u16 fast paths
      extensions/simple: improve u16 fast paths
      extensions/add shorter fast path for half gray
      babl-fish-path: add debug print message when no fast paths were found
      extensions/cairo: add faster paths for 8bit and 16bit gamma grayscale
      babl: make missing fast path message explicit
      babl: return tolerance to 0.000001
      extensions/fast-float: temporarily disable
      extensions/cairo: regain some lost speed for 32bit linear float display
      sse2-int8: permit converting premultiplied gamma RGBA
      extensions/sse2-float: add gamma and premul as single step
      extensions: implement bitshifting swizzlers for cairo/u8
      tools/babl-verify: print selected fast path if a third argument is provided
      tools: add shell script to aid in development of fast paths
      babl-verify.sh: only recompile extensions, not tools
      babl-verify.sh: add CIE Lab formats to verification
      babl-fish-path: permit searching for one step longer fish paths
      cairo: add fast paths for u8 and u16 gray gamma
      babl-verify.sh: rm cache before running
      tools/babl-verify: print the substeps of chosen paths
      extensions: add fast paths going from gray to premul alpha rgb - for resampling
      extensions/cairo: implement rgb8 to cairo32, speeding up RGB linear half display
      extensions/cairo: implement cairo display path from YA float
      configure: make the f16c test for half-float instructions stricter
      hash-table: simplify integer hashing
      make fish hashes less likely to fail
      extensions: enable a couple more simple float<->double paths
      extensions/CIE: make some constants single precision float
      extensions/CIE: use cbrtf from musl instead of libm
      extensions/CIE: do cbrt computation in single precision float
      pow-24: use own inlined frexpf implementation
      util: add float versions of non optimized TRC functions
      docs: update download location
      babl: generate db in temporary file
      configure.ac: 0.1.24 release