- update to 3.4.1
    - drop the gcc 4.x compatibility patch, no longer needed
    - don't run the test suite as it now depends on zope.testing
    - exclude _zope_interface_coptimizations.c source from the binary package
    - incorporate suggestions from Felix Schwarz:
    - new summary and description
    - new upstream URL (old one out of date)
    - don't package test files
    - include more documentation