Standardization

- changed variables that was uppercased, that's not OK for linters
- cleanup some documentation
- remove the "/" in label prefix, a function is now used to get the
  complete label (`labelName()`)
- some cleanup in tpl files, and so on...

generator/globals.go

@@ -11,6 +11,6 @@ var (
 
 	// Standard annotationss
 	Annotations = map[string]string{
-		KATENARY_PREFIX + "version": Version,
+		labelName("version"): Version,
 	}
 )