build: Show better configuration information
build: Show better configuration information

Besides the list of enabled plugins, show other interesting configuration
information.

https://bugzilla.gnome.org/show_bug.cgi?id=755702

jasuarez/grilo-plugins,GNOME/grilo-plugins,GNOME/grilo-plugins,MikePetullo/grilo-plugins,jasuarez/grilo-plugins,MikePetullo/grilo-plugins,MikePetullo/grilo-plugins,grilofw/grilo-plugins,grilofw/grilo-plugins