OP#785 add excludepaths and option to use it

manifests/main/install.pp

@@ -9,7 +9,7 @@ class confdroid_clamav::main::install (
 ) inherits confdroid_clamav::params {
   require confdroid_resources::main::epel
 
-  package { $reqpackages:
-    ensure => $pkg_ensure,
+  package { $cv_reqpackages:
+    ensure => $cv_pkg_ensure,
   }
 }