map instead of collect
Simplify chapter
Chapter content
Updates to chapter
Start of user discussion re: stride
Diagram
Description of User class
Chapter
More chapter, starting on interface
Chapter - start on Sinatra bit
Introduce Trial model to clean up controller
Clean up Trial and add self.all
Move more into Trial from pedometer controller
Add create method to Trial
Use Trial in pedometer#create
Remove @analyzer from trial.erb
FileHelper no longer necessary
Clean up
Clean
Clean up Trial constructor