Moved Objects connected files into separeted directory.
Updated source file pathes in buildsystem.
Implemented missing Angle class methods.
Added constructors for physics types and use them to simplify the mathematical operators definition.
Added namespace to ObjectSnaapshot it is in Model::Objects now.
Added PlacedObject class stub.
Added stub file for PlacedObject file with fixme to fill.
Added first "dummy" object definition - it will be used in tests.
Added first implementation of applying phisic on world.
Added new modules to buildsystem.