Revert "Moved BatchUpdateParser's DB manipulating methods into the feed repository"

This reverts commit 88809dbecbeaf9c45e60a71afca09927ea3c9345.

Conflicts:
	src/batchjob/BatchUpdateParser.py
	src/store/FeedRepository.py
Added else stmt to unset broken links when they work again
Formatting fixes
Merge branch 'master' into releng

Conflicts:
	src/batchjob/BatchUpdateParser.py