Initial upload

Updated library versions:
* Boost 1.55
* SDL 1.2.15
* SDL_image 1.2.12
* SDL_mixer 1.2.12
* SDL_net 1.2.8
Add random_boost library

The random_boost library is an additional dependency for PR 160 of wesnoth/wesnoth

Provided to Visual Studio users in case the PR is merged