Add extraction for release dates for the new-format (at least) ninjatune xls files.
Switch ninjatune release-event handling to use a list comprehension, remove some lambdas
Merge branch 'master' into ninjatune-release-dates
Merge branch 'master' into ninjatune-release-dates

Conflicts:
	geordi/geordi/data/mapping/indexes/ninjatune.py
Also parse oldstyle release event, though it doesn't provide countries.
Change to using a simple rule for old-style ninjatune dates, put in the split dates field instead of combined since we don't have countries, really.
Barcode handling using unicode rather than str, because python2's default choices are silly
Merge branch 'master' into ninjatune-release-dates

Conflicts:
	geordi/geordi/data/mapping/indexes/ninjatune.py
Delete old links before inserting new ones.
Order listing pages.
Merge branch 'ninjatune-release-dates'

* ninjatune-release-dates:
  Change to using a simple rule for old-style ninjatune dates, put in the split dates field instead of combined since we don't have countries, really.
  Also parse oldstyle release event, though it doesn't provide countries.
  Switch ninjatune release-event handling to use a list comprehension, remove some lambdas
  Add extraction for release dates for the new-format (at least) ninjatune xls files.
Use joined loads to fetch data in item.py.
Spaces around == (style fix)
Remove unused imports.
Merge branch 'better-item-query'

* better-item-query:
  Remove unused imports.
  Spaces around == (style fix)
  Use joined loads to fetch data in item.py.