builds.md in power_stencil-0.4.21

- old
+ new

@@ -66,13 +66,11 @@
 
 ```yaml
 --- !ruby/object:PowerStencil::SystemEntityDefinitions::ProjectEntity
 :name: inherited_entity
 :a_specific_property: This one only exists in inherited entity
-:extends: !psref
-  type: :base_entity
-  name: root_entity
+:extends: !entity base_entity/root_entity
 :array_root:
 - value from inherited_entity
 :hash_root:
   item2: value2 but from inherited
   item3: value3
@@ -95,13 +93,11 @@
 - value from inherited_entity
 :hash_root:
   item1: value 1
   item2: value2 but from inherited
   item3: value3
-:extends: !psref
-  type: :base_entity
-  name: root_entity
+:extends: !entity base_entity/root_entity
 ```
 
 You can notice that this second object looks now like a merged entity. Here are the rules of the merge:
 
 - the entity extending another one has always precedence, meaning that if a property is defined in both, only the latter is kept.
@@ -125,13 +121,11 @@
 And define its content:
 
 ```yaml
 --- !ruby/object:UniverseCompiler::Entity::Override
 :overrides:
-- !psref
-  type: :base_entity
-  name: inherited_entity
+- !entity base_entity/inherited_entity
 :name: test_override
 :property_from_overide: foo
 :scenario: dev_tests
 :hash_root:
   item3: overridden value
@@ -159,13 +153,11 @@
 :hash_root:
   item1: value 1
   item2: value2 but from inherited
   item3: value3
 :a_specific_property: This one only exists in inherited entity
-:extends: !psref
-  type: :base_entity
-  name: root_entity
+:extends: !entity base_entity/root_entity
 ```
 But if you specify the dev_tests scenario:
 
     $ power_stencil get base_entity/inherited_entity --raw --compiled --scenario dev_tests
 ```yaml
@@ -177,13 +169,11 @@
 :hash_root:
   item1: value 1
   item2: value2 but from inherited
   item3: overridden value
 :a_specific_property: This one only exists in inherited entity
-:extends: !psref
-  type: :base_entity
-  name: root_entity
+:extends: !entity base_entity/root_entity
 :property_from_overide: foo
 ```
 
 :information_source: You can notice that **the override mechanism occurs after the extend mechanism**, and both can be used on the same entities.
 
@@ -228,12 +218,10 @@
 ---
 PowerStencil::SystemEntityDefinitions::SimpleExec:
   :type: :simple_exec
   :fields:
     :name: example
-    :post_process: !psref
-      type: :process_descriptor
-      name: simple_exec_example.process
+    :post_process: !entity process_descriptor/simple_exec_example.process
 
 ---
 PowerStencil::SystemEntityDefinitions::ProcessDescriptor:
   :type: :process_descriptor
   :fields:
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