Add jurisdiction to canonical form URLs

[samglover]

This updates form URLs so they included the jurisdiction in the path (i.e., /ma/forms/[form-slug]).

There are a few other notable changes related to this:

• I added a .name property to the pathToServerConfig object in formSources.config.js we could use the full name of the jurisdiction on its landing page, for example "All Massachusetts Forms" on /ma/forms.
• The All Forms link in the header changes when a jurisdictions is being displayed. For example, when viewing /ma, it shows All MA Forms and points to /ma/forms.

When we do add non-MA jurisdictions we will want to revisit the UI and navigation. Right now the site is capable of displaying jurisdiction-specific pages, but it could use some clearer navigation to get up and down the tree.

Closes #66

[samglover]

Looks like it's still getting a build error. I'll pick this up again tomorrow.

[samglover]

@nonprofittechy This is finally ready for you to review. Also I realized I could just run the tests locally, so future PRs shouldn't have so many attempted fixes.