Fixed typo in contributors list.
Fixed typo in contributors list.

Review: https://reviews.apache.org/r/49761/

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