redirect to edit profile after signup
remove link to completed-item page
Fix win percentage.
Fix leaderboard and Top 10 player board (sorting, remove some columns).
Merge pull request #87 from paulld/modify_leaderboard

Modify styling of leaderboard, fix the sorting by column.
Merge branch 'reroute-signup' of https://github.com/joekteo/prediktapp into joekteo-reroute-signup
resolve conflicts
Merge branch 'joekteo-reroute-signup'
Merge pull request #86 from joekteo/remove-completed-item

remove link to completed-item page
add help page content explaining how to use predikt
Merge pull request #88 from joekteo/help-content

add help page content explaining how to use predikt