Sane .gitignore for csv2sql

Change-Id: I868ef86d699d820e8b73d22c3033666a62e67f76
Merge "Sane .gitignore for csv2sql"
Optimize tagging by performing bulk insert

Also:
* Protect quick_autoreview with a lockfile
* Fix typo which would have failed to increment batch offset

Change-Id: I10a9c27bc28c11a064e00ed3c7b4b42bdb994b7e
Merge "Optimize tagging by performing bulk insert"