Moved all the recipes that weren't actually recipes to addons.

recipes/yaml-cpp/recipe.py

@@ -1,9 +1,9 @@
 from SCons.Script import *
 
 def cook(env: Environment, git_ref: str = "master") -> dict:
-    repo = env.Cook('GitBranch', repo_name = 'yaml-cpp', remote_url = 'https://github.com/jbeder/yaml-cpp', git_ref = git_ref)
+    repo = env.GitBranch(repo_name = 'yaml-cpp', remote_url = 'https://github.com/jbeder/yaml-cpp', git_ref = git_ref)
     checkout_root = repo['checkout_root']
-    build_result = env.Cook('CMakeProject', project_root=checkout_root)
+    build_result = env.CMakeProject(project_root=checkout_root)
     lib_name = {
         'debug': 'yaml-cppd'
     }.get(env['BUILD_TYPE'], 'yaml-cpp')