Commented Feature: Please give users a way to use an external websocketpp library [294]

Hi, can you please update it? 0.3.0 has been released two months ago, and I would personally avoid having one alpha library (even if only for tests) in debian ;)

many thanks

Gianfranco
Comments: Merged the following pull request allowing for CMake users to use their own version of websocketpp. https://casablanca.codeplex.com/SourceControl/network/forks/LocutusOfBorg/casablanca2/contribution/8257