Enforce cake linting in CI

.travis.yml

@@ -4,9 +4,11 @@ go:
     - 1.5
 
 before_script:
-    npm install -g coffee-script
+    npm install -g coffee-script coffeelint
 
 script:
     - make check
     - go test -v -race ./broker
-    - cd proxy && cake test
+    - cd proxy
+    - cake lint
+    - cake test

proxy/snowflake.coffee

@@ -82,7 +82,8 @@ class Snowflake
                                        RATE_LIMIT_HISTORY)
 
   # TODO: Should potentially fetch from broker later.
-  # Set the target relay address spec, which is expected to be a websocket relay.
+  # Set the target relay address spec, which is expected to be a websocket
+  # relay.
   setRelayAddr: (relayAddr) ->
     @relayAddr = relayAddr
     log 'Using ' + relayAddr.host + ':' + relayAddr.port + ' as Relay.'