moved keyspace

ac9745bc · Juan Batiz-Benet · Brian Tiger Chow · ab041378 · ac9745bc · ac9745bc
--- a/routing/dht/keyspace/keyspace.go
+++ b/routing/dht/keyspace/keyspace.go
--- a/routing/dht/keyspace/xor.go
+++ b/routing/dht/keyspace/xor.go
--- a/routing/dht/keyspace/xor_test.go
+++ b/routing/dht/keyspace/xor_test.go