AMBARI-3017 - Service metrics call latency increases by a factor of 2 or 3 every 20-30 calls.
AMBARI-3718. Optimize stale config lookup for Hsot Component API call. (swagle)
Revert "AMBARI-3722. Dynamic configs code needs testcases. (onechiporenko)"

This reverts commit 0e350e10bd0873cb1bded66be2c3f49210e510c5.
AMBARI-3718. Optimize stale config lookup for Hsot Component API call. Minor tweaks. (swagle)