Update "image-size" to version ^0.4.0

[marekventur]

#0.4.0 / 2015-11-23

• 0.4.0
• Add NPM version badge
  from https://shields.io/
• Merge pull request #50 from vampirical/patch-1
  Support all JPGs rather than specific JFIF ones
• Merge pull request #36 from borodean/master
  Support SVG with only viewbox specified
• test for percentages ignored
• refactor SVG calculation
• allow single-quoted SVGs
• Expose supported file types
  fix Update "yargs" to version ^6.0.0 #42
  close Custom output filenames #43
• Use files field instead of .npmignore
• Add .js extension to the CLI file name
• remove unneeded TEST_COV branching
  We don’t use jscoverage any more.
• Add the project title to the top of readme
• Merge pull request #60 from image-size/no-make
  Use npm scripts instead of Makefile
• Merge pull request #57 from zeke/document-cli
  Document the CLI
• Use npm scripts instead of Makefile
  Because it’s more familiar to Node developers.
• Merge pull request #59 from image-size/badge-url
  Update badge URLs
• Update badge URLs
  The repo has been transferred.
• Update devDependencies
• Test on the latest stable Node
• Merge pull request #53 from LinusU/patch-1
  correct check for buffer
• add CLI installation and usage to readme
• fix typo
• correct check for buffer
  There are some cases where instanceof Buffer won't work, this fixes that by using the builtin Buffer.isBuffer instead.
• Support all JPGs rather than specific JFIF ones
  For the purposes of this library requiring JPEGs use the JFIF standard doesn't seem necessary. Old school non-JFIF jpegs, like the kind produced by ffmpeg, aren't usable as-is.
  Since there was only a limited set of markers in the list and a TODO to support all I've just removed the JFIF requirement entirely. JFIF will still work fine but now so will all valid JPEGs.
• reuse getViewboxSize for getRatio function
• support SVG with viewbox only
• Update Readme.md