Cleanup and updates for SCSS and scripts
Fixed broken compass commit

My previous commit broke compass. this should fix it.

@cpoulain - please verify?
Cleaned up danging html blocks
Anchor the site's main menu bar at the top of the page
Merge branch 'master' of https://github.com/codalab/codalab
Competition Workflow updated

What's done is working.

What's Left:

1) Participation subpanel/workflow
2) Results panel
Brats/Initialization Examples
Added missing panels

Added missing results tab and submit results panel
NEXT TODO: wire up registration pieces.
Merge branch 'master' of github.com:codalab/codalab
Updated dev_setup.bat

To initialize data from scripts.
Footer Spacing Updated

Footer Spacing Updated by giving padding-bot:20px
Removed doted border and formated the box

On Competitions page, each competition box is surrounded by a dotted
border. Need cleaner border.
On Competitions page, text inside each competition box needs better
formatting (see .NET prototype).
Clean-up names and formatting in _settings.scss
Merge branch 'master' of https://github.com/codalab/codalab
tweaks for registration and look/feel
Updates for participation

TODO: Wire up with Beau
TODO: Revisit fragile pieces
Leaderboard stubbed out
Tables in, need styling

These are in, but need some love.

Included jquery.dataTables
Added some unique constraints for models with codename fields
Merge branch 'master' into beaudev