Return non-zero value from test scripts if there are failed tests.
2013-01-18  Anton Kolesov <akolesov@synopsys.com>

    * run-tests.sh, run-elf32-tests.sh, run-uclibc-tests.sh, arc-init
    (run_check): Return non-zero value from scripts if there are failed tests.
Merge pull request #1 from anthony-kolesov/return_nonzero_for_failed_tests

Return non-zero value from test scripts if there are failed tests.