Fixed an issue with the extraction of table name in delrequest.lua, because of which the UVE keys are not removed from the table in redis-uve.
Merge pull request #327 from Juniper/sundar_bug2293

Fix for #2293
Bug 2414: Keep track of the VN to which analyzers are attached and process them if a policy containing them changes
UT for udp server and related fixes
removed multithreaded test from UT
Merge pull request #328 from Juniper/ut

UT for udp server and related fixes
changing retry mechanism if get 503 from HAPROXY and also add a while loop at _request_server method to recover when connection successful and retries until then
Merge pull request #329 from Juniper/amoghe-controller

changing retry mechanism if get 503 from HAPROXY and also add a while lo...
Merge branch 'master' into ashoksr_ut
-Add UT cases to verify error code returns from vrouter
-Add more UT cases for Vrouter UVE info verification
-Move code required for UT from agent_stats_collector.cc/h
 to agent_stats_collector_test.cc/h