A few UI tweaks
A bit of refactoring to move the leaderboard onto the homepage as a widget
A bit more refactoring and adding more dummy text to the front page. Fixed leaderboard, sorta.
changed database schema
fix leaderboard with new completed_tasks array lenght
added the new user workflow
Merge pull request #7 from edmoz/fix-leaderboard

fix leaderboard with new completed_tasks array lenght
fix data model
Merge pull request #8 from edmoz/fix-data-model

fix data model
Fixed leaderboard and tried to clean up header bar.
fixed nav
merge / looses the button styling , but that can be fixed up with css.