securesocketfunneling

Enables the timer scheduler's customization for both deadline and waitable timers

1

This pull request is linked to pull request discussion #24 The discussion on timer precisions with @haegele-tv lead us to think that we have to design our own timer mechanism...

UDT timer resolution issues - [PR on boost asio win_iocp_io_service for windows](https://github.com/boostorg/asio/pull/24) - [PR on boost asio customize timer scheduler](https://github.com/boostorg/asio/pull/25)