Revert "fix flash issue"

This reverts commit 6a718c8cfbc2a2f74dd855930a624b449031e424.
Merge branch 'master' of github.com:jiukunz/angular-leaderboard-sample
renamed:    js/controllers.js -> js/countdown-controllers.js
renamed:    js/controllers.js -> js/countdown-controllers.js
renamed:    js/controllers.js -> js/countdown-controllers.js