Adds folder for Leaderboard view (html, css, controller, routing, and specs).
Adds placeholder data in the controller for leaderboard and populates
in a dummy table.
Working on factory for points totaling.
Test user properly adds to leaderboard total upon clicking completed activity.
Test user can now add points dynamically to the leaderboard upon clicking an activity that is completed.
Sorting is not yet in place (need to figure out how to dynamically add the position piece, but sorting is easy).
Merge pull request #25 from JonathanWarrick/master

Adds initial leaderboard functionality.