Bug 1894: Add LISP configuration options to etc/custom.properties in Karaf

Change-Id: I671cdeb71a87144c9acd08cacc7b44b335ea8cf9
Signed-off-by: Lorand Jakab <lojakab@cisco.com>
Merge "Bug 1894: Add LISP configuration options to etc/custom.properties in Karaf"