8.1
8.2 adding page layout
8.3 currency format for prices
Added the better_errors gem
Cleanup implementation of better_errors.

 - I had put an error in on purpose for testing the plugin, reverted that
 - moved minitest colorize into development group, should have been in test
8.4 store controller functional test
8.5 caching
Ch 8 Ex 1 - add date time to the nav sidebar.

 - added a style to the main application sass file
 - factored out the initial display from in-page to helper to i18n
Added .DS_Store to ignore
Ch8 Ex 2 Experiment with number_to_currency

 - modified to format for fr localization
 - grabbed the fr localization from https://github.com/svenfuchs/rails-i18n