Don't use `get` method
Separate report page
Show reports of project on today

fix #416
Show reports of project on this week

fix #417
Paginate week tabs

fix #418
Merge pull request #425 from kmiyake/show_workers_time_entry_on_report_page

Show workers time entry on report page
Fix workload process

acts_as_time_trackableの処理を参考にWorkloadの処理をリファクタリング
する。
Remove dead code
Fix format of displaying time
Merge pull request #427 from kmiyake/refactor_workload_process

Refactor workload process
Feature of Synchronizing with the Github

Timecard上に存在しないGithubチケットのみ保存していく
Fix undesirable code

* Fix indent
* Remove don't need condition
* Extract hard code of convert status process
Fix logic of setting assignee