Add Ukrainian translations.

	* po/uk.po: Add Ukrainian translations from translation project.
ARM: Fix clone code when built for Thumb.

The mov lr, pc instruction will lose the Thumb bit from the return address
so use blx lr instead.

ports/ChangeLog.arm:

2013-08-30  Will Newton  <will.newton@linaro.org>

	[BZ #15909]
	* sysdeps/unix/sysv/linux/arm/clone.S (__clone): Use blx
	instead of mov lr, pc.

(cherry picked from commit 6b06ac56cdfc9293908724e51e827534e97819aa)
Update Chinese (traditional) translations.

	* po/zh_TW.po: Update Chinese (traditional) translation from
	translation project.
Fix PI mutex check in pthread_cond_broadcast and pthread_cond_signal

Fixes BZ #15996.

The check had a typo - it checked for PTHREAD_MUTEX_ROBUST_NP instead
of PTHREAD_MUTEX_ROBUST_NORMAL_NP.  It has now been replaced by the
already existing convenience macro USE_REQUEUE_PI.