Add unicorn exercise
Add house exercise
Add default rake task to root of project
tweak readme
Merge branch 'unicorn'
Add rake to the gemfile
Fix path in unicorn test
Fix minitest version
Skip all but the first unicorn test
Remove custome error message
Merge branch 'house'
Update README
Tweak house test suite
Lowest hanging green
Add missing newline in house tests
Add branching instructions
Use relative path in house test
Add missing whitespace in house
Merge branch 'bottles'
commit implented lowest hanging fruit for bottles