Add MaxSubmissionUrlAge (default 60 seconds) * errors submititng metrics will refresh trapUrl (from api) only after this amount of time. * add flushing flag so that only one flush is running at a time.
Add MaxSubmissionUrlAge (default 60 seconds)
* errors submititng metrics will refresh trapUrl (from api) only
after this amount of time.
* add flushing flag so that only one flush is running at a time.

sean-/circonus-gometrics,maier/circonus-gometrics,circonus-labs/circonus-gometrics