fix(typo on leftist): replace leftlist by leftist (#33)

Author: lhauspie

.travis.yml

@@ -4,7 +4,7 @@ os:
  - linux
 
 # This project contains references to the absolute GitHub path,
-# e.g. github.com/theodesp/go-heaps/leftlist.
+# e.g. github.com/theodesp/go-heaps/leftist.
 # That means, by default, if someone forks the repo and makes changes, Travis
 # won't pass for the branch on their own repo. To fix that, we move the
 # directory.

example/leftlist/leftlist.go renamed to example/leftist/leftist.go

@@ -1,9 +1,10 @@
 package main
 
 import (
-	"github.com/theodesp/go-heaps"
-	"github.com/theodesp/go-heaps/leftlist"
 	"fmt"
+
+	"github.com/theodesp/go-heaps"
+	"github.com/theodesp/go-heaps/leftist"
 )
 
 func main() {