[Retro 2013-06-01] Add link to "get a sticker" step for those who have completed installation before installfest
Update ubuntu.step

Clarify how to get to Profile Preferences
Update windows_colors.step
Merge branch 'patch-1' of https://github.com/kejadlen/docs into kejadlen-patch-1
Merge branch 'patch-3' of https://github.com/kejadlen/docs into kejadlen-patch-3