Trivial: Export actual entry point & release v0.9.1
Trivial: Export actual entry point & release v0.9.1

Service-runner lets us run several services in a single process. To do this,
we reference each as an npm module. The correct entry point for restbase is
lib/server.js, which this patch updates.

milimetric/restbase,inverno/restbase,wikimedia/mediawiki-services-restbase,d00rman/restbase,eevans/restbase,wikimedia/mediawiki-services-restbase,gwicke/restbase,wikimedia/hyperswitch,d00rman/restbase,inverno/restbase,milimetric/restbase,wikimedia/restbase,wikimedia/restbase,cscott/restbase,eevans/restbase,gwicke/restbase,cscott/restbase,Pchelolo/restbase,Pchelolo/restbase