removed database conn atom and made db-conn explicit instead
made broadcast-channel explicit
service-request now takes a 'ctx' map
assoc db into ctx
Using entities
Simplify process-requests
Client side WiP
First cut at nrepl backend
Remove old evaluation service
Print *out* to console.out
interrupt WiP
Start an nrepl server if :nrepl-uri is not specified
Merge pull request #30 from jonase/nrepl

Nrepl
Fix entity-data to account for data residing in the nrepl schema. Reloading the browser will now correctly populate data from datomic
Outputs should be clojure data, not strings