Inform user about current keywordset in kwdemo
The kwdemo --default output now looks roughly like this:
configuration using default cvs keywordset
[extensions]
keyword =
[keyword]
demo.txt =
[keywordset] * section added with this change
svn = False
[keywordmaps]
...
syntax: glob
*.pyc
*.pyo
*~
*.swp
*.orig
*.rej
.DS_Store
build/*
MANIFEST