2017-01-19  Carlos Garnacho  <carlosg@gnome.org>

	Release 1.8.3

	libtracker-common: Whitelist dup/dup2/dup3
	dup2/3 have special requirements, as they can close underlying
	fds, they are not allowed on stdin/out/err.

	libtracker-common: Whitelist gettimeofday() syscall
	https://bugzilla.gnome.org/show_bug.cgi?id=776117

	libtracker-common: Whitelist umask
	Let's give extractor modules the illusion that they can write
	something, they actually can't.

	libtracker-common: Whitelist getpid() syscall
	https://bugzilla.gnome.org/show_bug.cgi?id=776117

	libtracker-common: Allow querying process stats/limits
	Modifying those is not allowed though.

	https://bugzilla.gnome.org/show_bug.cgi?id=776117

	libtracker-common: Handle mlock*/munlock* syscalls
	Disallow pinning memory on RAM, but make it softly fail with EPERM.

	https://bugzilla.gnome.org/show_bug.cgi?id=776117