Unable to pass arguments containing spaces to gnuConfigureArgs for nar-gnu-configure goal.

[sraza1]

There can be a use case where some of the configurations arguments passed to gnu configure script might contain white spaces in them. An example can be project names or other string based properties. e.g
--with-project-name= My Project

The seems to be treating the spaces as separate arguments even when the arguments are enclosed between quotes i.e "--with-project=My Project".

[sraza1]

Submitted PR : #292