Add name, package_repo_resource and resource support to recipe scripts.

recipes/engine_tests/recipe_paths.expected/basic.json

Index: recipes/engine_tests/recipe_paths.expected/basic.json
diff --git a/recipes/engine_tests/recipe_paths.expected/basic.json b/recipes/engine_tests/recipe_paths.expected/basic.json
new file mode 100644
index 0000000000000000000000000000000000000000..652039f2269f50f258276e268ca55ef51575fba1
--- /dev/null
+++ b/recipes/engine_tests/recipe_paths.expected/basic.json
@@ -0,0 +1,28 @@
+[
+  {
+    "cmd": [
+      "echo",
+      "recipe_engine/engine_tests/recipe_paths"
+    ],
+    "name": "recipe_name"
+  },
+  {
+    "cmd": [
+      "echo",
+      "RECIPE[recipe_engine/engine_tests/recipe_paths].resources/something.py"
+    ],
+    "name": "some_resource"
+  },
+  {
+    "cmd": [
+      "echo",
+      "RECIPE_PACKAGE_REPO[recipe_engine]/path/to/file"
+    ],
+    "name": "package_root"
+  },
+  {
+    "name": "$result",
+    "recipe_result": null,
+    "status_code": 0
+  }
+]