* fixes mount of project in wrapper scripts, when not running in container
* refactors makefile in preparation to extract common parts
* refactors makefiles and scripts
* fix git ignore matches
* adds support to disable fetch
* update
* fixes docker warning about unused build argument
* adds support to force offline build
fixes shell escaping
changes paths to relative where possible
* moves make docker builder support files
* removes unnecessary configuration elements
* fixes initial download directory creation
* adds missing rule for initial download directory creation
* fixes docker error: unable to prepare context
copies dockerfile to build context, in order to remove dependency to
unsupported/new docker feature
