in importdl.c (I had just one crash too many with a static python
importing a dynamic module)
- On powerpc, enable USE_CACHE_ALIGNED with a linesize of 32 bytes.
- mwerks_nonshared_config.h for standalone pythons
- mwerks_shared_config.h for shared pythons (PythonCore, app and
applet)
- mwerks_plugin_config.h for plugins
Only the _tkinter plugin uses a customized header.
Old config files have gone to the "old" directory, for the time being.
both enabled with USE_SHARED_LIBRARY, now there's also
USE_MAC_DYNAMIC_LOADING).
Added a few other USE_ defines for optional modules to nonshared
config (they're not included in the base shared library)
