2013-01-21  Marc Khouzam  <marc.khouzam@ericsson.com>

        * breakpoint.c (print_one_breakpoint_location): Add MI
        field 'thread-groups' when printing a breakpoint.
        (output_thread_groups): New function.

2013-01-21  Marc Khouzam  <marc.khouzam@ericsson.com>

        * gdb.texinfo (GDB/MI Breakpoint Commands): Document new
        'thread-groups' field when printing a breakpoint in MI.

2013-01-21  Marc Khouzam  <marc.khouzam@ericsson.com>

        * gdb.mi/mi-break.exp: Expect new 'thread-groups' field.
        * gdb.mi/mi-nsmoribund.exp: Expect new 'thread-groups' field.
        Also handle 'thread' field.
        * gdb.mi/mi-simplerun.exp: Expect new 'thread-groups' field.
        * gdb.mi/mi-watch.exp: Ditto.
        * lib/mi-support.exp: Ditto.
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Updated Changelog and testsuite/Changelog because of bad formatting.