Add instructions for bundle install
Improve class1 laptop test
Add instructions on running Rubocop and RSpec
Merge branch 'master' of https://github.com/codefellows/sea-c21-ruby
Improve class1 laptop test instructions
Improve class3 exercises
Add a scratch pad
Fix bugs in class3 exercise3 specs (thanks Amanda)
Merge branch 'master' of https://github.com/codefellows/sea-c21-ruby
completed ex 3
completed ex 4
completed ex 4
completed ex 6
may need to correct ex 7
changed final string to include interpolation
removed variables
fixed style errors