HTTP concurrency

Creating a new curl session for each HTTP call allows to do multiple
call at the same time with the same client instance.

The test use C++11 std::thread.
bugfix in httpserver parameters
Merge pull request #53 from bcachet/feature/ADD_TcpConnector

ADD: Tcp connector
Merge pull request #56 from MiLk/features/http-concurrency

HTTP concurrency
FIX: Method name normalization in server stub generator

Method name was normalized in binding declaration but not in procedure definitions
REF: Use Windows thread API for INtime RTOS support

INtime offer support for Win32 API via iwin32. Do not need to implement both Windows and INtime thread support.

Conflicts:
	src/jsonrpc/connectors/threads.h