I have the feeling that we are installing here too much into lib, which will be symlinked into `$(brew --prefix)/lib`. We basically want only libraries there. Other stuff should go into `(share/'trnascan').install` especially the `Demo`, `ref` files and so forth...

We could also make up a new dir under `prefix`. For example `prefix/'support'` will **not** be symlinked into `$(brew --prefix)/support`.