Added players page

* Added players controller
* Added index action to players controller
* Added Players link to top bar
* Changed link on app title to us link_to helper
Add Menu to top bar

* Added menu link to top bar
* Change Players links to use pluralize
Added pagination

* Added kaminari gem
* Customized kaminari views
* Changed top bar to be fixed
* Added padding at bottom of page
* Changed players page to sort by points