Bill's header design

[vmariano]

For the moment the information is show up as a plain text.

[gvilarino]

Make it match the style on DemocracyOS' law headers and get creative on additional data :)

[vmariano]

The info show it in the header is:

• Title: laws title, can be something more representative instead of the number of the law.
• bill s number: number / code / identification of the bill.
• Brief: small brief of the law as additional information of the title.
• Starter date: When the project start the process
• Finish date: the date when it finish. Is optional if the project didn't finish the process.
• Voted at: Date when the project was voted. Can be empty.
• Due date: Limit date to take an action when finish.
• Presented by: this is a list, of authors, and also of extra information about who are.

[vmariano]

Related to #26