Rewrite factory and value_factory

- Support r-value arguments
- Use variadic templates for arbitrary arguments
- Support allocators that are final
- Support allocators that use fancy pointers
- Support environments with disabled exceptions
- Improve compilation times

meta/libraries.json

@@ -16,6 +16,7 @@
         "boost-version": "1.43.0",
         "name": "Functional/Factory",
         "authors": [
+            "Glen Fernandes",
             "Tobias Schwinger"
         ],
         "maintainers": [