trunk-sync: system_test_trailer renamed to check_failures_and_exit
trunk-sync: system_test_trailer renamed to check_failures_and_exit

0x0mar/ngx_pagespeed,digideskio/ngx_pagespeed,pagespeed/ngx_pagespeed,wanrui/ngx_pagespeed,0x0mar/ngx_pagespeed,pagespeed/ngx_pagespeed,wanrui/ngx_pagespeed,digideskio/ngx_pagespeed