BF: copy libam* libraries including/preserving symlinks (cp -d)

This should resolve an issue of having no /usr/lib/libamcodec.so -> libamcodec.so.0.0
in the target
BF: resolved committed merge conflicts in favor of TVHEADEND v3.4
Merge pull request #39 from yarikoptic/develop-prs

Resolved conflicts + Assure having a symlink  libamcodec.so -> libamcodec.so.0.0*