week 5 materials
adding the midterm
Merge branch 'master' of https://github.com/UWE-Ruby/RubyWinter2014
week 6 materials on projects and gems
update the date and my name
Merge branch 'master' of https://github.com/UWE-Ruby/RubyWinter2014
week 7 materials
Merge branch 'master' of https://github.com/UWE-Ruby/RubyWinter2014