cron/mongo logs does not get cleaned via rhc app-tidy

https://bugzilla.redhat.com/show_bug.cgi?id=1080967
Try to clean logs via rhc app-tidy, cron and mongo logs are not cleaned.
Merge pull request #5074 from bparees/add_tidy

Merged by openshift-bot
corrected UPDATE_MEMBER link for domain and team
Bug 1075437 - Return exit code 1 instead of nil when no exit code is NOT provided
corrected missing comma