Fixed timed_tests.sh script to preserve exit status of the test.
Fixed timed_tests.sh script to preserve exit status of the test.

Gilbert88/mesos,andschwa/mesos,Aman-Jain-14/customizedMesos,yuquanshan/customizedMesos,gsantovena/mesos,abudnik/mesos,yuquanshan/customizedMesos,dforsyth/mesos,craimbert/mesos,neilconway/mesos,Gilbert88/mesos,verizonlabs/mesos,dforsyth/mesos,verizonlabs/mesos,neilconway/mesos,abudnik/mesos,kaysoky/mesos,jpeach/mesos,verizonlabs/mesos,abudnik/mesos,jpeach/mesos,chhsia0/mesos,jpeach/mesos,Gilbert88/mesos,craimbert/mesos,jpeach/mesos,neilconway/mesos,jpeach/mesos,zmalik/mesos,Aman-Jain-14/customizedMesos,chhsia0/mesos,abudnik/mesos,gsantovena/mesos,asamerh4/mesos,gsantovena/mesos,craimbert/mesos,craimbert/mesos,zmalik/mesos,dforsyth/mesos,craimbert/mesos,kaysoky/mesos,verizonlabs/mesos,dforsyth/mesos,abudnik/mesos,asamerh4/mesos,verizonlabs/mesos,chhsia0/mesos,craimbert/mesos,Aman-Jain-14/customizedMesos,reneploetz/mesos,andschwa/mesos,reneploetz/mesos,reneploetz/mesos,asamerh4/mesos,andschwa/mesos,kaysoky/mesos,zmalik/mesos,chhsia0/mesos,zmalik/mesos,asamerh4/mesos,abudnik/mesos,kaysoky/mesos,zmalik/mesos,Aman-Jain-14/customizedMesos,Gilbert88/mesos,Aman-Jain-14/customizedMesos,reneploetz/mesos,dforsyth/mesos,andschwa/mesos,kaysoky/mesos,chhsia0/mesos,dforsyth/mesos,Gilbert88/mesos,andschwa/mesos,andschwa/mesos,andschwa/mesos,neilconway/mesos,neilconway/mesos,reneploetz/mesos,reneploetz/mesos,neilconway/mesos,zmalik/mesos,dforsyth/mesos,jpeach/mesos,asamerh4/mesos,gsantovena/mesos,yuquanshan/customizedMesos,yuquanshan/customizedMesos,neilconway/mesos,yuquanshan/customizedMesos,Aman-Jain-14/customizedMesos,zmalik/mesos,verizonlabs/mesos,gsantovena/mesos,chhsia0/mesos,Gilbert88/mesos,gsantovena/mesos,abudnik/mesos,asamerh4/mesos,Gilbert88/mesos,yuquanshan/customizedMesos,kaysoky/mesos,kaysoky/mesos,craimbert/mesos,jpeach/mesos,yuquanshan/customizedMesos,Aman-Jain-14/customizedMesos,verizonlabs/mesos,gsantovena/mesos,chhsia0/mesos,reneploetz/mesos,asamerh4/mesos