adding wxWidgets to repo
added boost lib


Former-commit-id: 5a40bcce4328470bd3d11030fc981b2842a722a1
removed unnecessary libs, fixed CMakeLists. Windows now builds with self-contained libraries.


Former-commit-id: f33bd56fcd0629ebf71119ebc4ccfba7aebc0f71
split core lib into 3 files for git. CMake merges them before configuration.


Former-commit-id: 9016df9326065355f50a2d450a625a486df79593