Merge pull request #110 from ceph/wip-fix-stress_split

Moved mon.c to teh first host with mon.a and mon.b to address the issue ...
Moved mon.c to the first host with mon.a and mon.b to address the issue
Sage found:
"... supposed to have half dumpling, half x osds. but the steps that upgrade and restart the mons upgrade the packages on the second host (which should remain dumpling w/ osd 3,4,5)"

Signed-off-by: Yuri Weinstein <yuri.weinstein@inktank.com>