Commented out import of 'tconfpy'.

Reverted to older style of 'except' handling for 'optargs' so this will ...

work with older versions of 'python'.

Simplified how the 'makefile' determines the suffix of the 'rst2*' programs. ...

Removed dependency on 'tren' for file renaming.
Cleaned up python and shell skeletons for consistent and clearer help banner.
Commented out config file parsing in python skeleton.
Documented requirement for 'tconfpy' to use this python parsing logic.
Added handlers for the demo X, Y, and Z options in the shell skeleton.

Initial revision