Work in progress: use CMake build system.
Update travis & fix small cmakelist error
Pre build steps
Travis build script
Required package install for travis
Update needed package.
Bump down needed boost lib version
Adapt to older boost version
Move math lib
Re-enabled math tests.
Move graphics and scene library
Moved samples and asset library
Moved jpeg image loader to cmake
Moven opengl module
Missing packages for CI host
CMake build refined
Merge branch 'dev' into 'master'