* documentation and script updates trying to fix#1647
* preparations for refactoring target/bin/
* complete refactor for target/bin/
* changing script output slightly
* outsourcing functions in `bin-helper.sh`
* re-wrote linting to allow for proper shellcheck -x execution
* show explanation for shellcheck ignore
* adding some more information
Moved variable VIRUSMAILS_DELETE_DELAY to Dockerfile. This variable will be written to /etc/environment in the start
script to make it visible to cron. Also removed echo in cron job to prevent sending mail for each run.
Casper
Georg Lauterbach
Georg Lauterbach
Daniel Panteleit
Thomas VIAL