finalize the right padding of permissions for other roles funcs

Godeps/_workspace/src/github.com/tendermint/tendermint/permission/types/permissions.go

@@ -124,7 +124,7 @@ type AccountPermissions struct {
 
 // Returns true if the role is found
 func (aP *AccountPermissions) HasRole(role string) bool {
-	role = string(LeftPadBytes([]byte(role), 32))
+	role = string(RightPadBytes([]byte(role), 32))
 	for _, r := range aP.Roles {
 		if r == role {
 			return true
@@ -147,7 +147,7 @@ func (aP *AccountPermissions) AddRole(role string) bool {
 
 // Returns true if the role is removed, and false if it is not found
 func (aP *AccountPermissions) RmRole(role string) bool {
-	role = string(LeftPadBytes([]byte(role), 32))
+	role = string(RightPadBytes([]byte(role), 32))
 	for i, r := range aP.Roles {
 		if r == role {
 			post := []string{}