Fix various issues on Fedora
install: lots of structural changes to get plugin-scmbzr and rpms to better pass the testsuite
Replace hardcoded paths with various calls to get the values out of the configuration system
Honor use_ssl for loggerhead
Fewer calls to forge_get_config, and in a better place
Prettify URLs
Load wsgi module
Start using Loggerhead as WSGI rather than as a daemon