[Gamification] Show overall progress bar

[MrOrz]

In the site header, show a progress bar with 3 racing indicators:

1. The number of articles that has been replied
2. The number of total articles
3. The number of articles the user has replied ( API: [gamification] Add number of articles the user has replied in "user" object type rumors-api#74 )

| ============================> Total articles: 16,321
| =======================:---> Replied by others: 15900 / by you: 321

With the following nice-to-have:

• When the user submits an article, show a "+1" effect on the "The number of articles that has been replied" or "The number of articles the user has replied"
• The number is updated whenever the user changes page. (No +1 effect in this case)