Deprecate verbose option in logging

Option "verbose" from group "DEFAULT" is deprecated for removal.
The parameter has no effect.
-update warning message and release note.

If this option is not set explicitly, there is no such warning.

Change-Id: If19791458b0b5e89d7919a7c8a3c36edd613f580

manifests/init.pp

@@ -157,7 +157,8 @@
 #
 # DEPREACTED PARAMETERS
 #  [*verbose*]
-#   Defaults to false
+#   Deprecated.
+#   Defaults to undef
 #  [*tenant_name*]
 #   Defaults to undef
 #  [*alt_tenant_name*]
@@ -270,7 +271,7 @@ class tempest(
   $img_dir                       = '/var/lib/tempest',
   $img_file                      = 'cirros-0.3.4-x86_64-disk.img',
   # DEPRECATED PARAMETERS
-  $verbose                       = false,
+  $verbose                       = undef,
   $tenant_name                   = undef,
   $alt_tenant_name               = undef,
   $admin_tenant_name             = undef,
@@ -278,7 +279,7 @@ class tempest(
 ) {
 
   if $verbose {
-    warning('verbose is deprecated and does nothing. Will be removed in a future release.')
+    warning('verbose is deprecated, has no effect and will be removed after Newton cycle.')
   }
 
   if $tenant_name {

releasenotes/notes/verbose_deprecated-199b555f384fb0fc.yaml

@@ -1,4 +1,4 @@
 ---
 deprecations:
   - verbose parameter is deprecated and does nothing. It will be removed
-    in a future release.
+    after Newton cycle.