Minimally invasive change to put logging behind a user-replaceable interface.

This could probably be done better, and there are probably awful caveats
and hidden gotchas with this approach. I REGRET NOTHING.

state/channel.go

@@ -2,7 +2,7 @@ package state
 
 import (
 	"fmt"
-	"github.com/fluffle/golog/logging"
+	"github.com/fluffle/goirc/logging"
 	"reflect"
 	"strconv"
 )

state/nick.go

@@ -1,7 +1,7 @@
 package state
 
 import (
-	"github.com/fluffle/golog/logging"
+	"github.com/fluffle/goirc/logging"
 	"reflect"
 )
 

state/tracker.go

@@ -1,7 +1,7 @@
 package state
 
 import (
-	"github.com/fluffle/golog/logging"
+	"github.com/fluffle/goirc/logging"
 )
 
 // The state manager interface

state/tracker_test.go

@@ -1,7 +1,7 @@
 package state
 
 import (
-	"github.com/fluffle/golog/logging"
+	"github.com/fluffle/goirc/logging"
 	"testing"
 )