Install timecop
Add test for model of Workload
Fix condition of getting daily and weekly workloads
Fix time zone
Add heroku button
Merge pull request #468 from kmiyake/improve_coverage

Improve coverage
Merge pull request #469 from kmiyake/iss-438_add_heroku_button

Add heroku button
Merge branch 'master' of github.com:timecard/timecard-rails
Merge branch 'master' into hotfix