Moved a comment in the allocator to a more relevant location.
Moved a comment in the allocator to a more relevant location.

Review: https://reviews.apache.org/r/64562/

abudnik/mesos,andschwa/mesos,kaysoky/mesos,reneploetz/mesos,chhsia0/mesos,kaysoky/mesos,chhsia0/mesos,andschwa/mesos,chhsia0/mesos,Gilbert88/mesos,Gilbert88/mesos,abudnik/mesos,Gilbert88/mesos,asamerh4/mesos,dforsyth/mesos,reneploetz/mesos,abudnik/mesos,dforsyth/mesos,Gilbert88/mesos,jpeach/mesos,gsantovena/mesos,asamerh4/mesos,abudnik/mesos,abudnik/mesos,Gilbert88/mesos,andschwa/mesos,asamerh4/mesos,asamerh4/mesos,dforsyth/mesos,gsantovena/mesos,jpeach/mesos,jpeach/mesos,abudnik/mesos,reneploetz/mesos,kaysoky/mesos,gsantovena/mesos,dforsyth/mesos,reneploetz/mesos,chhsia0/mesos,andschwa/mesos,gsantovena/mesos,chhsia0/mesos,reneploetz/mesos,kaysoky/mesos,andschwa/mesos,asamerh4/mesos,gsantovena/mesos,jpeach/mesos,abudnik/mesos,kaysoky/mesos,gsantovena/mesos,chhsia0/mesos,asamerh4/mesos,jpeach/mesos,dforsyth/mesos,kaysoky/mesos,Gilbert88/mesos,reneploetz/mesos,jpeach/mesos,chhsia0/mesos,dforsyth/mesos,andschwa/mesos,asamerh4/mesos,kaysoky/mesos,gsantovena/mesos,reneploetz/mesos,Gilbert88/mesos,jpeach/mesos,dforsyth/mesos,andschwa/mesos