Fixing message typo and adding new cleaning target to cleanbot

Fixes the cleaning message containing two "the"
Adds egg, tomato and pie smudge, flour stain, ashes, gooey grey masses and glowing goo to the list of targets to clean for the cleanbot.
moving dirt from blood targets to normal targets
Merge pull request #3186 from phil235/cleaningbotfix

Fixing message typo and adding new cleaning targets to cleanbot