Started implementation of async binary server with boost asio.
Can say hello to each other.
Part of opc ua server is responsible for processing opcua messages extracted into a separated class OpcTcpMessages. This class is used in the synchronious and async tcp servers.
OpcTcpClient renamed to OpcTcpConnection in the async module.
Merged with master. Build fix.
Merge pull request #9 from oroulet/master

add partial support for filters, theoretical event support, more work on subscription interface
Merge sources from master. Async server works. But there broken subscriptions.
Fixed configuration parameters in the server config file. Endpoint port now reads from endpoint url.
Uncommented SendPublishRespone in the OpcTcpMessages. This method in case of async server will asynchrniously send responses via outpurChannel which is implemented via boost::asio. Callbacks from address space have to be implemented in the same way.
removed files that can be generated by autotools.
moved subscription server logic to its own files, start implementation of async
merge with a commit from treww I forgot
fixed a clienthandle bug, small clenup
Merge pull request #10 from treww/master

Async opc tcp server with using boost asio.
add internal_subscription files. fix lifetime implementation
Fix timer stop
cleanup, tested that subscriptions work with other clients
try to improve deadline_time cleanup, still broken
add missing locks
even better shutdown of addressspace, remove unnecessary code