Update "q" to version ^2.0.3

[marekventur]

2.0.3 / 2015-01-31

• Update q.js Minor typo fix.

  2.0.2 / 2014-06-06

• Merge pull request #539 from ehpc/patch-1 Update README.md
• Update README.md typo
• Merge pull request #537 from daviskim/v1 Fix truncated "the" in README.md
• Fix typo in readme
• Merge pull request #536 from fiznool/document-q.promise Added Q.Promise example to README
• Added Q.Promise example to README
• Specify last working Bower version
• Merge pull request #524 from NickHeiner/patch-1 Fix spelling of received in README.md
• Update README.md Just fixing a typo.
• Merge pull request #523 from ruffle1986/v1 Remove redundant "the" from README.md