Added a TODO in HealthChecker regarding use of custom clone function.
Added a TODO in HealthChecker regarding use of custom clone function.

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