remove old files
Update resources.txt
the book object and tests we worked on in class during week3
Update with week 3 links
Merge branch 'master' of github.com:UWE-Ruby/RubyFall2013
Update README.md

Moving some weeks around to accommodate our guest speaker!
Update resources
week 4 materials
Merge branch 'master' of github.com:UWE-Ruby/RubyFall2013
Merge branch 'master' of github.com:UWE-Ruby/RubyFall2013
Week 4 homework answers from Doug M
Week 4 worker file submission for spec
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