Overview of Changes from gnome-python 2.15.1 to gnome-python 2.15.2
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* gnomevfs
 - Fix FileInfo.valid_fields computation (Sidnei da Silva)
 - Add some missing permission constants (Sidnei)
 - Add new FileInfo.access field (Gustavo)
 - Add sync variant of "file control" method (Gustavo)
* gnome
 - gnome.program_init changes process name on Linux with prctl (Gustavo)