Added Lijun Tang to contributors list.
Added Lijun Tang to contributors list.

This closes #140

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