* debian/patches/gnomeradio-thread_safe.patch: Replace strtok() with
  strtok_r(), readdir() with readdir_r() and localtime() with localtime_r()
  for thread safe.
* Improved mixer error message in debian/patches/gnomeradio-alsamixer.patch.
* Moved changes applied to src/record.c from gnomeradio-media_types.patch to
  gnomeradio-record_information.patch.
  - Improved error message when getting information for file.
* debian/{control, rules}: Enable PIE hardening.
* Refresh patches:
  - debian/patches/gnomeradio-gstreamer-1.0.patch
  - debian/patches/gnomeradio-keyboard_shortcuts.patch
  - debian/patches/gnomeradio-non_modal.patch