Fix LinkedSelect if extra url args in Django 1.7. Fixes #310 #294
Fixes change_form first field focus. Fixes #290 #295
Tuples for fields are immutable and SortableStackedInlineBase
fails if the `fields` is defined in an admin.py as a tuple instead
of a list. Fixes #302
Version bump to 0.2.12
Merge branch 'develop'