moved old contribs to attic

and updated the README
umask and fix some indent errors
environment vars
adds templates to synctool

Idea by Huub Stoffers
templates are generated in the repository and run even in dry mode
wel goeie markdown schrijven he
added note
some docu update
template is a reserved "group"

Of course it's not really a group. But extension _template is used for
templates
sort order of objects is important

Otherwise any generated files won't "see" the .post script
documentation about templates