added flandmarkConfig.cmake to use it as a standalone library from other projects. also added and example to compile outside flandmark, to test it. The example is the same example1 found in examples, but it is copied because the idea is that the whole external directory can be placed outside the flandmark source tree.
added flandmarkConfig.cmake to use it as a standalone library from other projects. also added and example to compile outside flandmark, to test it. The example is the same example1 found in examples, but it is copied because the idea is that the whole external directory can be placed outside the flandmark source tree.