_cards changed to slim and helper method created to populate class name for each card
_cards changed to slim and helper method created to populate class name for each card
_navigation_links partial also changed to slim
application helper and conversion to slim complete (for the most part). fixes #60 and fixes #99
Merge pull request #125 from Micahcodes/iss-60-create_helper_method_for_card_class_names

Iss 60 create helper method for card class names

Great job. 2 issues with 1 commit.