message: cleanup: Minor cleanup to lib_ownable
diff: @@ -51,6 +51,10 @@ abstract contract Ownable {
  * Public Functions *
  ********************/
  + /**
  + * Sets the owner of this contract to the zero address, effectively renouncing ownership
  + * completely. Can only be called by the current owner of this contract.
  + */
  function renounceOwnership()
  public
  virtual
  @@ -60,7 +64,14 @@ abstract contract Ownable {
  owner = address(0);
  }
  - function transferOwnership(address _newOwner)
  + /**
  + * Transfers ownership of this contract to a new address. Can only be called by the current
  + * owner of this contract.
  + * @param _newOwner Address of the new contract owner.
  + */
  + function transferOwnership(
  + address _newOwner
  + )
  public
  virtual
  onlyOwner
  