add entries to changelog, readme and gemspec about jpeg-recompress an…

…d optional lossy compression, resolves #65

CHANGELOG.markdown

@@ -2,6 +2,7 @@
 
 ## unreleased
 
+* Added lossy `jpegrecompress` worker using `jpeg-recompress`, enabled [#65](https://github.com/toy/image_optim/issues/65) [@wjordan](https://github.com/wjordan) [@toy](https://github.com/toy)
 * `:allow_lossy` option to allow lossy workers and optimizations [@toy](https://github.com/toy)
 * Don't warn multiple times about problematic binary [#69](https://github.com/toy/image_optim/issues/69) [@toy](https://github.com/toy)
 * Run gisicle two times (with interlace off then with on) if interlace is not set explicitly [#70](https://github.com/toy/image_optim/issues/70) [@toy](https://github.com/toy)

README.markdown

@@ -6,13 +6,14 @@
 
 # image_optim
 
-Optimize (lossless compress) images (jpeg, png, gif, svg) using external utilities:
+Optimize (lossless compress, optionally lossy) images (jpeg, png, gif, svg) using external utilities:
 
 * [advpng](http://advancemame.sourceforge.net/doc-advpng.html) from [AdvanceCOMP](http://advancemame.sourceforge.net/comp-readme.html)
 (will use [zopfli](https://code.google.com/p/zopfli/) on default/maximum level 4)
 * [gifsicle](http://www.lcdf.org/gifsicle/)
 * [jhead](http://www.sentex.net/~mwandel/jhead/)
 * [jpegoptim](http://www.kokkonen.net/tjko/projects.html)
+* [jpeg-recompress](https://github.com/danielgtaylor/jpeg-archive#jpeg-recompress)
 * jpegtran from [Independent JPEG Group's JPEG library](http://www.ijg.org/)
 * [optipng](http://optipng.sourceforge.net/)
 * [pngcrush](http://pmt.sourceforge.net/pngcrush/)

image_optim.gemspec

@@ -3,7 +3,7 @@
 Gem::Specification.new do |s|
   s.name        = 'image_optim'
   s.version     = '0.18.0'
-  s.summary     = %q{Optimize (lossless compress) images (jpeg, png, gif, svg) using external utilities (advpng, gifsicle, jhead, jpegoptim, jpegrescan, jpegtran, optipng, pngcrush, pngout, pngquant, svgo)}
+  s.summary     = %q{Optimize (lossless compress, optionally lossy) images (jpeg, png, gif, svg) using external utilities (advpng, gifsicle, jhead, jpeg-recompress, jpegoptim, jpegrescan, jpegtran, optipng, pngcrush, pngout, pngquant, svgo)}
   s.homepage    = "http://github.com/toy/#{s.name}"
   s.authors     = ['Ivan Kuchin']
   s.license     = 'MIT'