Create the backbone of the Single Alert Page UI (excluding Export button)

[elsatamara]

Things to-do:

• [x] Page header should contain regulator name, in progress icon and pattern name of the associated alert, export button, and print button.
• [x] Print button should prompt user to print the page
• [x] Chart header should contain metadatas of the alert and Run Similar Search button
• [x] Align everything correctly on the Single Alert Page. CSS!!!

[elsatamara]