Clean up files in directories based on their age

Current versions

Recent formula history

ilovezfs tmpreaper: use refute_predicate instead of !File.exist?
ilovezfs tmpreaper: use assert_predicate instead of File.exist?
Dominyk Tiller tmpreaper: use secure mirror
Nikolaus Wittenstein Add descriptions to all remaining homebrew packages
Baptiste Fontaine tmpreaper: test added

Formula code at GitHub