#116 Wizard doesn't handle empty directories set in preferences

[Chris Clark]

If you change the default preferences for "Action form
class package" and/or "Action class package" to empty
strings (in other words, I just want them both in my
module directory, not split into two sub-directories) the
wizard doesn't handle it properly.

The wizard displays packages along the lines of:

com.company.struts..ActionClassName

Notice the two periods in a row before the class name.
It appears that the wizard is assuming at least a single
character for the directory names.