Add sanitizer for S3 bucket names
Make sanitized S3 bucket names more readable
this means most probably taboola won't work on mobile,
but it did not anyway
Merge pull request #5404 from Wikia/Ads-braking-on-mercury

this means most probably taboola won't work on mobile,
Updated bucket name sanitizer to accept underscores
Merge pull request #5288 from Wikia/PLATFORM-535-sanitize-s3-bucket-names

PLATFORM-535 Add sanitizer for S3 bucket names in CreateNewWiki
Incorrect calculation for pastTTL.

Need to subtract a unix time from a unix time