A few changes to testing
Update 02-01-creating-a-new-application.md
Update 02-01-creating-a-new-application.md
Update 02-01-creating-a-new-application.md
Update 02-01-creating-a-new-application.md
A few changes to testing section

A few changes to testing including spec directory and Padrino error
Merge remote-tracking branch 'upstream/master'
made some edits and additional instructions for models
Intendation and no touch commands
Merge pull request #33