coding style fixes

https://bugzilla.gnome.org/show_bug.cgi?id=721484
Update FSF postal address

https://bugzilla.gnome.org/show_bug.cgi?id=721484
mock-pkcs11: use g_hash_table_unref()

Same effect here but g_hash_table_destroy() is banned from our "coding style"
check tools.

https://bugzilla.gnome.org/show_bug.cgi?id=721484
run coding style checks on tests

https://bugzilla.gnome.org/show_bug.cgi?id=721484