Initial implementation of an elasticsearch indexer in Go

Closes #1 (closed)

indexer/indexer.go

@@ -28,7 +28,7 @@ type Indexer struct {
 func (i *Indexer) SubmitCommit(c *object.Commit) error {
 	commit := i.BuildCommit(c)
-	i.Submitter.Index(commit.ID, commit)
+	i.Submitter.Index(commit.ID, map[string]interface{}{"commit": commit})
 	return nil
 }
@@ -44,7 +44,7 @@ func (i *Indexer) SubmitBlob(f *object.File, _, toCommit *object.Commit) error {
 		return fmt.Errorf("Blob %s: %s", f.Name, err)
 	}
-	i.Submitter.Index(blob.ID, blob)
+	i.Submitter.Index(blob.ID, map[string]interface{}{"blob": blob})
 	return nil
 }