Rename shared_mutex to shared_timed_mutex per C++14 acceptance of N3891.

Rename shared_mutex to shared_timed_mutex per C++14 acceptance of N3891.

2014-02-20  Ed Smith-Rowland  <3dw4rd@verizon.net>

	Rename shared_mutex to shared_timed_mutex per C++14 acceptance of N3891.
	* include/std/shared_mutex: Rename shared_mutex to shared_timed_mutex.
	* testsuite/30_threads/shared_lock/locking/2.cc: Ditto.
	* testsuite/30_threads/shared_lock/locking/4.cc: Ditto.
	* testsuite/30_threads/shared_lock/locking/1.cc: Ditto.
	* testsuite/30_threads/shared_lock/locking/3.cc: Ditto.
	* testsuite/30_threads/shared_lock/requirements/
	explicit_instantiation.cc: Ditto.
	* testsuite/30_threads/shared_lock/requirements/typedefs.cc: Ditto.
	* testsuite/30_threads/shared_lock/cons/2.cc: Ditto.
	* testsuite/30_threads/shared_lock/cons/4.cc: Ditto.
	* testsuite/30_threads/shared_lock/cons/1.cc: Ditto.
	* testsuite/30_threads/shared_lock/cons/6.cc: Ditto.
	* testsuite/30_threads/shared_lock/cons/3.cc: Ditto.
	* testsuite/30_threads/shared_lock/cons/5.cc: Ditto.
	* testsuite/30_threads/shared_lock/modifiers/2.cc: Ditto.
	* testsuite/30_threads/shared_lock/modifiers/1.cc: Ditto.
	* testsuite/30_threads/shared_mutex/requirements/
	standard_layout.cc: Ditto.
	* testsuite/30_threads/shared_mutex/cons/copy_neg.cc: Ditto.
	* testsuite/30_threads/shared_mutex/cons/1.cc: Ditto.
	* testsuite/30_threads/shared_mutex/cons/assign_neg.cc: Ditto.
	* testsuite/30_threads/shared_mutex/try_lock/2.cc: Ditto.
	* testsuite/30_threads/shared_mutex/try_lock/1.cc: Ditto.

From-SVN: r207964