Updating resolv.conf dns search

/etc/resolv.conf gets overriden by resolconf. To make domain-search to save edit interfaces file w/ dns-search

jjest@canadark:~$ cat /etc/network/interfaces
# interfaces(5) file used by ifup(8) and ifdown(8)
auto lo
iface lo inet loopback
dns-search mcis.washington.edu amc.uwmedicine.org