Unified handling of printing versions of programs (--version). Setting version to 0.5

common/version.go

@@ -0,0 +1,17 @@
+// Copyright 2014 by Sascha L. Teichmann
+// Use of this source code is governed by the MIT license
+// that can be found in the LICENSE file.
+
+package common
+
+import (
+	"fmt"
+	"os"
+)
+
+const MTSatelliteVersion = "0.5"
+
+func PrintVersionAndExit() {
+	fmt.Printf("Version: %s\n", MTSatelliteVersion)
+	os.Exit(0)
+}