Fix #141: prevent the timer directive call digest loop every second
Fix #141: prevent the timer directive call digest loop every second

By using setInterval & $scope.$digest instead of $timeout which uses
$scope.$apply, which in turn calls $rootScope.$digest.

ninneko/redash,moritz9/redash,hudl/redash,easytaxibr/redash,ninneko/redash,alexanderlz/redash,easytaxibr/redash,EverlyWell/redash,guaguadev/redash,amino-data/redash,alexanderlz/redash,pubnative/redash,imsally/redash,jmvasquez/redashtest,pubnative/redash,imsally/redash,hudl/redash,imsally/redash,jmvasquez/redashtest,denisov-vlad/redash,pubnative/redash,M32Media/redash,chriszs/redash,stefanseifert/redash,akariv/redash,guaguadev/redash,stefanseifert/redash,denisov-vlad/redash,imsally/redash,getredash/redash,ninneko/redash,amino-data/redash,useabode/redash,akariv/redash,ninneko/redash,rockwotj/redash,useabode/redash,getredash/redash,amino-data/redash,moritz9/redash,jmvasquez/redashtest,jmvasquez/redashtest,getredash/redash,vishesh92/redash,getredash/redash,stefanseifert/redash,useabode/redash,44px/redash,chriszs/redash,rockwotj/redash,crowdworks/redash,vishesh92/redash,akariv/redash,EverlyWell/redash,EverlyWell/redash,guaguadev/redash,44px/redash,vishesh92/redash,denisov-vlad/redash,vishesh92/redash,stefanseifert/redash,crowdworks/redash,moritz9/redash,pubnative/redash,easytaxibr/redash,ninneko/redash,crowdworks/redash,M32Media/redash,getredash/redash,easytaxibr/redash,jmvasquez/redashtest,alexanderlz/redash,rockwotj/redash,hudl/redash,rockwotj/redash,useabode/redash,EverlyWell/redash,44px/redash,stefanseifert/redash,hudl/redash,crowdworks/redash,44px/redash,M32Media/redash,akariv/redash,chriszs/redash,moritz9/redash,alexanderlz/redash,denisov-vlad/redash,pubnative/redash,guaguadev/redash,easytaxibr/redash,amino-data/redash,M32Media/redash,guaguadev/redash,chriszs/redash,akariv/redash,denisov-vlad/redash