Merge pull request #35 from LaurentGoderre/fix-34

Fix #34 by making the image path relative to the css path
Merge pull request #36 from LaurentGoderre/fix-33

Converted the image input from command line argument to stdin input
Version bump @v0.3.1
Finish v0.3.1
+ Added SCSS, SASS, LESS output option to sprites task [Thx to @LaurentGoderre] (https://github.com/LaurentGoderre)
  - e1699cc2 Converted the image input from command line argument to stdin input [@LaurentGoderre]
  - 6802570c Fix #34 by making the image path relative to the css path [@LaurentGoderre]
  - 526fe343 Added the sass and less example tasks [@LaurentGoderre]
  - 0cf20e7e Added the LESS output functionality [@LaurentGoderre]
  - 9ea3e851 Added SASS support [@LaurentGoderre]
  - a6afbe47 Fixed bug that prevents running multiple sprite targets [@LaurentGoderre]
  - f9d6924e Added the SCSS output option [@LaurentGoderre]
  - 61655844 Create output directories if they don't exist (required for Windows) [@LaurentGoderre]
  - d1c8fbc7 Added npm phantomjs for easier redistribution [@LaurentGoderre]
Merge branch 'libsass-temporay-fix' into custom

Conflicts:
	tasks/sprites.js