quick conversion of make.bat to sh ONLY HTML

todo finish the conversion of the remaining script
finished make.bat script migration to sh
install: fixed and improved translations

still missing: a propoer 'note' translation
change language for generated labels (notes...)
python script in normal file on *nix needs python command
reviewed python_quickstart
fixed test code outputs
fixing spelling mistake + improving sentences
fixing footnote
small fixez
fixing whitespace problems
translations and reformulations
rephrase + typo in quicktstart
fix compilation warning
some improvements to the object-oriented explanations
small typos
some fixes django
Back to the future