cvs-py-rel2_1 (Rev 1.29 - 1.33) merge

Merged the following py-cvs revs without conflict:
1.29 Reduce copyright text output at startup
1.30 Delay setting sys.args until Tkinter is fully initialized
1.31 Whitespace normalization
1.32 Turn syntax warning into error when interactive
1.33 Fix warning initialization bug

Note that module is extensively modified wrt py-cvs
1 file changed