Revision 203

	* setup.py (thuban_bdist_rpm): Extend this version of bdist_rpm to
	handle the prefix properly which means that the default for the
	installation prefix should be /usr for RPMs and /usr/local when
	doing a normal source install.
	(bdist_rpm_install_script): Script to override the default install
	commands in the specfile generated by the bdist_rpm command.
	(thuban_bdist_rpm.user_options): Add a prefix option
	(thuban_bdist_rpm.initialize_options): Init the prefix option.
	Create the script files for the spec files as empty files here
	(thuban_bdist_rpm._make_spec_file): Override the inherited method
	to fill the script files with content.