(re)add the rubyracer gem for production servers.
Fixed unhandled nil case for signature
Turbolinks does not fire page:change on ie8, so we have to circumvent this
Fixed failing scope detection in application_helper#get_current_scope
Fixed missing field journal_holdings for orphaned watch list records
Make every search request scope'd (e.g. watch list searches)
Make scopes de-activatable

Conflicts:

	config/primo.yml
Force IE to use latest possible render engine (edge) - no compatibility view allowed
WIP
WIP
Fixed ils id for es records
WIP
Fixed primo.yml
WIP