bump kew version to 0.2.2

Hello @nicks, 

Please review the following commits I made in branch 'nick-versionbump'.

4fef36600ad9573242380a79f108b34fa39ec980 (2013-10-01 17:45:52 -0400)
bump kew version to 0.2.2

Check list:


R=@nicks