Updated websocketpp to latest
Fixing issue on OS X. Need to determine how this affects Windows.
Adding msw lib files for boost 1.55 vc120 and vc110
update websocketpp version to 0.4.0, works with Xcode 6.1 now
removed lib boost static libraries for OSX, updated cinderblock.xml
Merge pull request #4 from wieden-kennedy/dev

Updated WebSocket++ to 0.4.0