Added new developer_dashboard template, view, and route
Retrieved game list and display them in a list for developer dashboard
added preliminary action to buttons
Minor fixes, changed URL pathing in dev board template
added XHR POST requests for delete and disable in dev dashboard
Used dashboard.styl and new button.styl, changed structure to mimic the review view
removed unnused format parameter
Merge pull request #109 from CharlesChong/dev-dashboard(issue#99)

Developer Dashboard (issue#99)
Merge remote-tracking branch 'upstream/master' into number-of-players
Add number of players input field to the game submission/edit page (unstyled)
Style the number of players input field