Add ability to track send counts for an endpoint

Add ability to track send counts for an endpoint

Send counts, success, failure and transient failure, are being
collected for each endpoint. The route table collector thread
will write counts to standard error on a periodic basis.

Enabled forced minimum retry.

Signed-off-by: E. Scott Daniels <daniels@research.att.com>
Change-Id: I3c315d86e6db79cb1404788ef954a0a664084631

Fix context used for RTC epoll

Signed-off-by: E. Scott Daniels <daniels@research.att.com>
Change-Id: Ie4883e98237eb87b53b24f68bd434edcf533c92f

Fix bug when table received from RTG

Signed-off-by: E. Scott Daniels <daniels@research.att.com>
Change-Id: I66dd44ab7cde715d6daf144253ff5a2bd5861ae3

After stress testing and tweaks

Signed-off-by: E. Scott Daniels <daniels@research.att.com>
Change-Id: I0e814bf25844c19ab9f9f6c38eca50a1a66db309

Update unit tests and resulting fixes

Signed-off-by: E. Scott Daniels <daniels@research.att.com>
Change-Id: Ifd780cfaaf924e202407f822551ca3e61c84c63d

Set minimum retry

Signed-off-by: E. Scott Daniels <daniels@research.att.com>
Change-Id: I17f1c096106c96d31b919bef6af759b3f4ec72c3