BUGFIX: Show all merge requests

We do not want to show only merge requests created by the current user,
   we want to show all merge requests for the current branch created by
   anyone.

cmd/client.go

@@ -52,6 +52,7 @@ func (c *Client) Init(branchName string) error {
 	}
 
 	options := gitlab.ListMergeRequestsOptions{
+		Scope:        gitlab.String("all"),
 		State:        gitlab.String("opened"),
 		SourceBranch: &branchName,
 	}