META updates, tidy, PBP tweaks

* update manifest
* move user_config $rc test into block that could set it
* perltidy
* replace postfix if/unless with brackets
* reduce useless indention by exiting sooner
* bump version
In case that was too obscure, imagine you're running these tests on a system **after** you've done a "make install". In such as case, you're going to end up testing against site_perl b/c it's in your path. That is unlikely to be what is intended or expected when one runs 'make test'.