Typo: Fixed related issue number
Fixes #240. Apparently jQuery serialize() doesn't include type=file
values, so we must perform additional check if changed fields has
any type=file field in it.
Set default ordering by sortable in SortableStackedInlineBase.
Related to #240
Fix sortable inlines changes detection for select element.
Related to #232
Tests: Remove Django 1.4.0 from Travis tests, because tests suddenly
started failing with python2.7.6 and assertHTML with no valid reason.
Version bump to 0.2.9
Merge branch 'develop'