do everything in the railsbridge directory
[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
Add links to Google Drive presentations
Test was failing under Ruby 2.0. Removed single quote since we should not care about entity encoding in this test.
Update loops.step

Emphasizing the message about exponentiation breaks the `**` characters.
Update variables.step

Be clear that you need to run `irb` again after exiting it in the previous lesson.
Correct step two: console not irb

Step two suggested making a directory through irb instead of the console.
Merge branch 'patch-4' of https://github.com/kejadlen/docs into kejadlen-patch-4
Merge branch 'patch-5' of https://github.com/kejadlen/docs into kejadlen-patch-5
Add gitattributes file to force line endings as LF
Renormalize line endings
Merge branch 'add_links_to_google_drive_docs' of https://github.com/btelles/railsbridge_docs into btelles-add_links_to_google_drive_docs
Add dependent: :destroy to votes assoc to stop database leaks
Merge branch 'fix-failing-test' of https://github.com/tdenkinger/docs into tdenkinger-fix-failing-test
change load file example slide to use same prompt as other irb examples

Some students in my group got confused when the irb prompts in the slides changed and typed in `ruby >` which didn't work.
Add explanation of Rake when it is first used in curriculum

Also, I think Seattle tested the Ruby curriclum on humans.
Not sure how it went.