check/: Added checks.

check/: Added checks.

Original commit message from CVS:
* check/.cvsignore:
* check/Makefile.am:
* check/gst-libs/.cvsignore:
* check/gst-libs/gdp.c: (START_TEST), (gst_object_suite), (main):
* check/gst/.cvsignore:
* check/gst/gstbus.c: (pound_bus_with_messages), (pull_messages),
(START_TEST), (gstbus_suite), (main):
* check/gst/gstcaps.c: (START_TEST), (gst_caps_suite), (main):
* check/gst/gstdata.c: (START_TEST), (thread_ref), (thread_unref),
(gst_data_suite), (main):
* check/gst/gstiterator.c: (make_list_of_ints), (START_TEST),
(add_fold_func), (gstiterator_suite), (main):
* check/gst/gstobject.c: (gst_fake_object_get_type), (START_TEST),
(thread_name_object), (thread_name_object_default),
(gst_object_name_compare), (gst_object_suite), (main):
* check/gst/gstpad.c: (START_TEST), (thread_link_unlink),
(gst_pad_suite), (main):
* check/gstcheck.c: (gst_check_log_message_func),
(gst_check_log_critical_func), (gst_check_init):
* check/gstcheck.h:
* check/pipelines/simple_launch_lines.c: (setup_pipeline),
(run_pipeline), (START_TEST), (simple_launch_lines_suite), (main):
Added checks.