Implement new total receipts and disbursements figures on candidate pages

[noahmanger]

So that users can see the makeup of overall receipts and disbursements, implement the new figures.

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Design issue & discussion: https://github.com/18F/openFEC-web-app/issues/2019

Completion criteria & details:

• [x] Implement new side nav labels and order
• [x] Add side menu sub-items that are visible when on a given tab. Each item should be an anchor link to a part on the page
• [x] Show the total_receipts value for the selected two-year period on the raising tab
• [x] Show the total_disbursements value for the selected two-year period on the disbursements tab

[noahmanger]

Resolved by https://github.com/18F/openFEC-web-app/pull/2106

When @jenniferthibault is back we can pair if you wanna fine tune the visuals, but it looks good.