Add support for dnsmasq version 2.48

Following the bug fix for bug 1170793 we are able to add
in support for dnsmasq versions that do not support tags.

2.48 is the version shipped in RHEL 6.4

Change-Id: Ia7d2b1c0adb477159ce146bcd4323d4b2795bff5
Merge "Add support for dnsmasq version 2.48"