ryancramerdesign/ProcessWire — pull request #461 by Roope (2014-05-01 20:42:19+00:00)
Title: Added uninstallable categories to ProcessModule

This avoids processing Language Packs and Site Profiles that cannot be installed using module installer as described here: https://processwire.com/talk/topic/6121-site-profiles-from-modules-directory-as-install-option/