Using this file to track boost dependency testing.

Mac OS X 10.7.2, XCode 4.2.1, boost built using default darwin 4.2.1 toolset, example compiled with g++ 4.2.x

SSL echo server
boost 1.48.0 - OK
boost 1.47.0 - OK
boost 1.46.1 - significant SSL context constructor change. SSL support might require 1.47

plain echo server
boost 1.48.0 - OK
boost 1.47.0 - OK
boost 1.46.1 - OK
boost 1.45.0 - ?
boost 1.44.0 - OK
boost 1.43.0 - OK
boost 1.42.0 - Does not build on Mac OS X 10.7