Initial implementation of an elasticsearch indexer in Go

Closes #1 (closed)

git/go-git.go

@@ -155,8 +155,7 @@ func (r *goGitRepository) EachFileChange(ins, mod, del FileFunc) error {
 func (r *goGitRepository) EachCommit(f CommitFunc) error {
 	err := object.WalkCommitHistoryPost(r.ToCommit, func(c *object.Commit) error {
 		if r.FromCommit != nil && c.ID() == r.FromCommit.ID() {
-				return endError
-			}
+			return endError
 		}
 		commit := &Commit{