First attempt for obiconsensus... The graph traversing algorithm is too simple

Former-commit-id: 0456e6c7fd55d6d0fcf9856c40386b976b912cba

pkg/obiutils/path.go

@@ -0,0 +1,16 @@
+package obiutils
+
+import (
+	"path"
+	"strings"
+)
+
+func RemoveAllExt(p string) string {
+  
+	for ext := path.Ext(p); len(ext) > 0; ext = path.Ext(p) {
+	  p = strings.TrimSuffix(p, ext)
+	}
+  
+	return p
+  
+  }