[DBUS-161] changed the counters to use SlidingWindowGauge
[DBUS-121] Remove retry.exist metric
Merge remote-tracking branch 'upstream/develop' into develop
[DBUS-161] refactored variable names
[DBUS-161] removed unused imports
Merge pull request #204 from samar-kumar/develop

fix for DBUS-161  and DBUS-121
[maven-release-plugin] prepare release conduit-parent-2.2.7-SNAPSHOT
[maven-release-plugin] prepare for next development iteration