Enabled frontend-only boot for mock-express tests
Enabled frontend-only boot for mock-express tests

refs https://github.com/ErisDS/Ghost/commit/3c7a8dead41c78fb1b251b42324387ccc53e3eed

- Simplifies the state initialization code significantly and reuses native boot mechanism instead of mimicking it (it was a headache to maintain with all the internal services moving around)

ErisDS/Ghost,TryGhost/Ghost,ErisDS/Ghost,e10/Ghost,TryGhost/Ghost,ErisDS/Ghost,e10/Ghost,TryGhost/Ghost