Also, removed the one from modules/python/src2/cv.py and cleared its
executable bit, since it's not a script.

Documentation: fixed class/struc members documentation; added warning on incorrectly documented member

* Fixed display of struct and class definitions (except classes with base class specified).
* Fixed formatting and referencing errors in several documentation files.

Added reference to Nvidia TADP into Android tutorial; refactored both Android tutorials; fixed some rst warnings