-Change Carousel flipping and header positioning
-Fix angular substitution issue
- Working but unstyled
Merge branch 'fix/carousel_flipping' into feature/login_front_page
-Add login/logout
-Logged in Menu
- Highlights
- Clean up isVisible as per @statico request
Merge branch 'fix/carousel_flipping' into feature/login_front_page
Merge pull request #90 from ahgl/fix/carousel_flipping

Fix Carousel Flipping and Header Positioning
- Remove the 3rd font
-Fix the header layout
-Fix double login-button
Accepting tournament slug. Getting only active tournaments.
Accepting tournament slug. Filtering only active tournaments
Accepting tournament slug instead of game slug. Filtering only active tournaments.
Removed game slug from the model
Made the Tournament and Game relationship one-to-one
Check whether tournament status is either active or signup
Removed game slug from the serializer
Added managers to filter only active and signup tournaments
Changed the Angular.js files to use tournament slug instead of game slug.
-Fixed the tournamentSlug vs Slug in hte header a href
-Add missing changes for tournament filtering