Make macOS binaries fully relocatable
This merge request addresses #27 (closed) providing support for fully relocatable binaries in macOS.
The binaries relocation is now run as an extra build step in macOS, run after the post_install step, so after building a recipe the binaries are relocated and it does not need to be done in the packaging process.
The new relocation method uses the @rpath's replacement variable and adds the following rpath's:
The CI's should be wiped after this change is merged in master