Changed cluster.py to start the coordinator on the *last* host, not the first, so it doesn't compete for resources with server 1, which is typically on the first host.
Changed cluster.py to start the coordinator on the *last* host, not
the first, so it doesn't compete for resources with server 1, which
is typically on the first host.

rstutsman/RAMCloud,QingkaiLu/RAMCloud,anirajk/RAMCloud,jblomer/ramcloud,alexandermerritt/ramcloud,anirajk/RAMCloud,QingkaiLu/RAMCloud,alexandermerritt/ramcloud,matrix207/RAMCloud,rstutsman/RAMCloud,QingkaiLu/RAMCloud,utah-scs/RAMCloud,QingkaiLu/RAMCloud,SMatsushi/RAMCloud,jblomer/ramcloud,jblomer/ramcloud,utah-scs/RAMCloud,anirajk/RAMCloud,alexandermerritt/ramcloud,QingkaiLu/RAMCloud,alexandermerritt/ramcloud,utah-scs/RAMCloud,SMatsushi/RAMCloud,QingkaiLu/RAMCloud,matrix207/RAMCloud,SMatsushi/RAMCloud,rstutsman/RAMCloud,jblomer/ramcloud,anirajk/RAMCloud,alexandermerritt/ramcloud,alexandermerritt/ramcloud,anirajk/RAMCloud,SMatsushi/RAMCloud,SMatsushi/RAMCloud,SMatsushi/RAMCloud,rstutsman/RAMCloud,rstutsman/RAMCloud,rstutsman/RAMCloud,matrix207/RAMCloud,matrix207/RAMCloud,jblomer/ramcloud,utah-scs/RAMCloud,matrix207/RAMCloud,utah-scs/RAMCloud,jblomer/ramcloud,utah-scs/RAMCloud,matrix207/RAMCloud,anirajk/RAMCloud