Add User model and related logic.
Remove `task.progress` event

Use `task.change` instead to avoid problem when refresh tasks list page.
Polish task progress.

Save task progress on fly to avoid progress lost.
Add buildProduction hook
Sort task list and fix reg error
Remove testrc
Add test rc for travis CI
Merge pull request #12 from ivanzhaowy/master

Merge
Add ignitor.
Merge pull request #13 from ivanzhaowy/master

Add ignitor.
Add build tasks.
Merge pull request #14 from ivanzhaowy/master

Add build tasks.
Add pagination for task list API.
Sync task status with Jenkins when restart sys.
Merge pull request #15 from ivanzhaowy/master

Add pagination for task list API.
Bug fix.
Adjust build config.
Merge pull request #16 from ivanzhaowy/master

Merge
Add max param to response of task list API.
Polish pagination logic.