two notes for 3.6

[Matthias Clasen <matthias clasen gmail com>]

Maybe this is of interest to others:

https://bugzilla.gnome.org/show_bug.cgi?id=666749
Issues with string collation in tracker, in some CJK languages. The
recommended workaround is to build tracker against icu instead of
libunistring.

https://bugzilla.gnome.org/show_bug.cgi?id=683060
Screen locking when using GNOME 3.6 with a display manager other than
gdm 3.6. We still hope to land the patch in the bug, which will make
us fall back to using gnome-screensaver in these scenarios. Testing
this is recommended, if your display manager is not gdm.