This fixes MySQL errors about missing default values.

and exit with 1

Previously this was only supported on
/api/collections/{alias}/posts/{id} -- this also allows it on
/api/posts/{id}, so things like `Announce`s work.

This closes #4

This closes #3

- New editor nav
- New backend nav
- Support for drafts
- Different footers on backend

This allows logging in with a non-normalized username.

- Add server-side validation
- Normalize usernames
- Check username existence when signing up
- Tailor UI to whether federation is enabled or not
- Return user to form and show errors on sign up

Now we join paths correctly on all OSes. This should close #2.

- Removes more mentions of Write.as
- Adds a default privacy policy
- Improves the About page

This affects nodeinfo and ActivityPub requests

Before, it used the develop branch

- Fixes make clean
- Changes make to make ui
- Generates keys on make install
- Adds make run, make build

This is mostly unnecessary, and ensures users don't get confused when
their site doesn't show up because the server isn't seeing a
correctly-set Host header.

- Database schema changes, removing obsolete custom domain-related code
- Missing user structs
- Setup verbiage changes
- Missing routes
- Missing error messages

This includes the '/' route handler

This also includes a new Dev config options

Plus update copy / options / templates in the config process.