Code for exiting on startup is now in PeerLibrary.

Exiting on startup is used in tests and building images. It is used so that you can run PeerLibrary to installs all dependencies, but then exit.
Fixed javascript error.
Error introduced by manual merge @0a9d1858ef. Conflict not resolved
properly.
Merge pull request #581 from peerlibrary/accounts-javascript-bugfix

Fixed javascript error in accounts.coffee.
Freeze CoffeeLint to 1.5.2 for now.

See https://github.com/clutchski/coffeelint/issues/319
CoffeeLint fixed upstream.
Merge branch 'development' into importing-design