VOL-2292: Create application for scale testing of BAL

- Base framework created and is functional
- Able to provision ATT techprofile with scheduler, queue and eapol
  flow creation.
- Extensible framework provided to add various operator workflows
- README has details about how to build, run, configure and extend
  the framework.

Change-Id: I71774959281881278c14b48bee7f9adc0b81ec68
diff --git a/vendor/github.com/armon/go-metrics/const_unix.go b/vendor/github.com/armon/go-metrics/const_unix.go
new file mode 100644
index 0000000..31098dd
--- /dev/null
+++ b/vendor/github.com/armon/go-metrics/const_unix.go
@@ -0,0 +1,12 @@
+// +build !windows
+
+package metrics
+
+import (
+	"syscall"
+)
+
+const (
+	// DefaultSignal is used with DefaultInmemSignal
+	DefaultSignal = syscall.SIGUSR1
+)