Fix for issue #120

Making Eureka-JerseyClient-Conn-Cleaner thread as a daemon.
Fix for issue #118

ResponseCache entries when queried with a remote region, were not invalidated whenever any
local registry information changes.
Adding testCompile dep on eureka-client from core.
Fixing build failure due to cross-module test deps
Merge pull request #122 from NiteshKant/master

Fixes issues #118 #120