Added build status
Merge pull request #137 from dickeyxxx/travis

added travis build image
Update erector to 0.9.0 instead of 0.9.0pre1
fuzzy_result allows you to grey out sections of a result to show their unimportance

ex: fuzzy_result "This command is {FUZZY}bananas{/FUZZY}!" will have 'bananas' in light text, with a message underneath indicating that the light text is relatively unimportant.

Changed most version numbers in the installfest to use the fuzzy_result method.
Update sites/intermediate-rails/intermediate-rails.step

Removed typo apostrophe.
Merge pull request #139 from mejarc/master

Tiny text fix on Intermediate Curriculum intro page