First stage to fix the relative path registration of MAcOS bundle to be...

First stage to fix the relative path registration of MAcOS bundle to be instalable everywhere, and not only on /opt/digikam.
All binary files from the bundle are now patched while PKG build to fix pathes to shared library in relative point of internal bundle root.
For this we use Apple tools "otool" and "install_name_tool" to perform these changes.
Still TODO : fix OSA scripts to not use and absolute path
CCBUGS: 365337
CCBUGS: 365331