CppCMS C++ Web Framework Code

- Fixed incorrect using of reference-counting caused resources leak
- Fixed compilation of gcc-4.3

Bug fixed

Cleanup of code

Moved to json as primary configuration
format, global_config replaced with json::value

Finally implemented json for read and write

- Fixed incorrect fetching objects from pool
- Fixed timer to use timeout
- Added support of pointer like types to mem_bind

More asynchronous code

Some json updates

Fixed memory leak

Added timer class