metrics.go
func (m *CirconusMetrics) AddMetricTags(name string, tags []string) bool {
	return m.check.AddMetricTags(name, tags, true)
}
func (m *CirconusMetrics) AddMetricTags(name string, tags []string) bool {
	return m.check.AddMetricTags(name, tags, true)
}
func ( m * CirconusMetrics ) AddMetricTags ( name string , tags [ ] string ) bool { return m . check . AddMetricTags ( name , tags , true ) }
// AddMetricTags appends tags to any existing tags for the named metric and flags a check update is needed
AddMetricTags appends tags to any existing tags for the named metric and flags a check update is needed