Added possibility to add - based on INSTALL_TARGET - more packages to the image-base (and not only to install_zip)
With that option, the box-specific image receives a INSTALL_TARGET prefix to differenciate it from unspecific images
some comments added
Merge branch 'AA-with-install-and-target' into AA-with-installer
Enables to build TARGET_IMAGE specific images based upon target_image value. Those image can contain some extra packages on the root filesystem