Fix typos and minor cleanup

AUTHORS

@@ -8,6 +8,7 @@
 #
 # Please keep the list sorted.
 
+Alexander Peters <info@alexanderpeters.de>
 Google Inc.
 Jay Graves <jaywgraves@gmail.com>
 Pius Uzamere <pius+github@alum.mit.edu>

CONTRIBUTORS

@@ -11,6 +11,7 @@
 #
 # Please keep the list sorted.
 
+Alexander Peters <info@alexanderpeters.de>
 Barak Michener <barakmich@google.com> <barak@cayley.io> <me@barakmich.com>
 Jay Graves <jaywgraves@gmail.com>
 Pius Uzamere <pius+github@alum.mit.edu>

cayley.go

@@ -34,10 +34,10 @@ var queryLanguage = flag.String("query_lang", "gremlin", "Use this parser as the
 var configFile = flag.String("config", "", "Path to an explicit configuration file.")
 
 func Usage() {
-	fmt.Println("Cayley is a graph store and graph query layer.\n")
-	fmt.Println("Usage:")
-	fmt.Println("  cayley COMMAND [flags]\n")
-	fmt.Println("Commands:")
+	fmt.Println("Cayley is a graph store and graph query layer.")
+	fmt.Println("\nUsage:")
+	fmt.Println("  cayley COMMAND [flags]")
+	fmt.Println("\nCommands:")
 	fmt.Println("  init\tCreate an empty database.")
 	fmt.Println("  load\tBulk-load a triple file into the database.")
 	fmt.Println("  http\tServe an HTTP endpoint on the given host and port.")

db/load.go

@@ -33,8 +33,6 @@ func Load(ts graph.TripleStore, cfg *config.Config, triplePath string, firstTime
 		} else {
 			LoadTriplesFromFileInto(ts, triplePath, cfg.LoadSize)
 		}
-	case "rethink", "rethinkdb":
-		LoadTriplesFromFileInto(ts, triplePath, cfg.LoadSize)
 	case "leveldb":
 		LoadTriplesFromFileInto(ts, triplePath, cfg.LoadSize)
 	case "mem":

graph/iterator.go

@@ -49,7 +49,7 @@ type Iterator interface {
 	// These methods are the heart and soul of the iterator, as they constitute
 	// the iteration interface.
 	//
-	// To get the full results of iteraton, do the following:
+	// To get the full results of iteration, do the following:
 	// while (!Next()):
 	//   emit result
 	//   while (!NextResult()):

graph/iterator/all_iterator.go

@@ -17,7 +17,7 @@ package iterator
 // Defines one of the base iterators, the All iterator. Which, logically
 // enough, represents all nodes or all links in the graph.
 //
-// This particular file is actually vestigal. It's up to the TripleStore to give
+// This particular file is actually vestigial. It's up to the TripleStore to give
 // us an All iterator that represents all things in the graph. So this is
 // really the All iterator for the MemTripleStore. That said, it *is* one of
 // the base iterators, and it helps just to see it here.

graph/triplestore.go

@@ -74,7 +74,7 @@ type TripleStore interface {
 
 	// Optimize an iterator in the context of the triple store.
 	// Suppose we have a better index for the passed tree; this
-	// gives the TripleStore the oppotunity to replace it
+	// gives the TripleStore the opportunity to replace it
 	// with a more efficient iterator.
 	OptimizeIterator(it Iterator) (Iterator, bool)
 
@@ -82,7 +82,7 @@ type TripleStore interface {
 	// sever connections, etc)
 	Close()
 
-	// Convienence function for speed. Given a triple token and a direction
+	// Convenience function for speed. Given a triple token and a direction
 	// return the node token for that direction. Sometimes, a TripleStore
 	// can do this without going all the way to the backing store, and
 	// gives the TripleStore the opportunity to make this optimization.

http/query.go

@@ -77,7 +77,6 @@ func (api *Api) ServeV1Query(w http.ResponseWriter, r *http.Request, params http
 	default:
 		return FormatJson400(w, "Need a query language.")
 	}
-	var err error
 	bodyBytes, err := ioutil.ReadAll(r.Body)
 	if err != nil {
 		return FormatJson400(w, err)
@@ -126,7 +125,6 @@ func (api *Api) ServeV1Shape(w http.ResponseWriter, r *http.Request, params http
 	default:
 		return FormatJson400(w, "Need a query language.")
 	}
-	var err error
 	bodyBytes, err := ioutil.ReadAll(r.Body)
 	if err != nil {
 		return FormatJson400(w, err)