vtkAlgorithm: fix a typo

Change-Id: Iebf73d293a65119d6ea2562ed43123f7dfa54ba2
FiltersPython: create a vtkPythonAlgorithm class

This class will use Python code to implement an algorithm.

Change-Id: I1d7ae97f423b7643602f7d3690b2216a553d7e9d
Merge topic 'python-algorithm' into master

6691160f FiltersPython: create a vtkPythonAlgorithm class
e8ba24a5 vtkAlgorithm: fix a typo