__cron: remove parameter changing code, remove multiline code, remove early execution of included $() code, simplify __cron

Signed-off-by: Nico Schottelius <nico@bento.schottelius.org>
Merge branch 'master' into __cron-simplify
Merge branch 'master' into __cron-simplify
Merge branch '__cron-simplify'
remove the old entries on change

Signed-off-by: Nico Schottelius <nico@bento.schottelius.org>
record change for __cron in changelog

Signed-off-by: Nico Schottelius <nico@bento.schottelius.org>
move build-helper into bin/

Signed-off-by: Nico Schottelius <nico@bento.schottelius.org>
adjust build helper to jump into the right directory

Signed-off-by: Nico Schottelius <nico@bento.schottelius.org>
remove requirement-finder tests - no need to test assignments and no wildcard support anymore

Signed-off-by: Nico Schottelius <nico@bento.schottelius.org>
factor out iterate code to be able to test it for one, two, ... runs

Signed-off-by: Nico Schottelius <nico@bento.schottelius.org>
merge ResolverTestCase and AutorequireTestCase into ExecutionOrderTestCase

Signed-off-by: Nico Schottelius <nico@bento.schottelius.org>