[cvsnt] shadow not executing after tagging, and bug in Plugins.example

[Tony Hoyle]

Rick Genter wrote:
> Is g_command a std::string? If it's a char*, the code won't work - you
> can't compare char* strings with != - you have to use strcmp().

It's a cvs::string (which is basically the same thing as a std::string).

It looks like the tag isn't going through premodule/postmodule, so the 
list of updated directories isn't getting updated.

I could probably chuck something into pretag to catch that case.

Tony