Add a unit test for the points awarder
Persist points as a serializable array stored on a text column in the
users table.

Add basic index view (total points for all users) and a
more detailed view that shows the individual points for a particular
user.
Fix heading in view
Merge pull request #60 from nbhartiya/nk_points

Unit test and points persistence
fixes to main.js.coffee
editing and merging wendys image upload changes
small stylesheet change for howitworks
switched over development database to postgres
post merge