Short-circuit #query_in_slices for Arrays
Make items per page configurable
Ignore account validations in some specs
Validate usability on account change
Add methods for bulk account reassignment
Add optional h2 to two_column layout
Add form model for bulk reassignment
Add bulk reassignment UI
Modernize specs
Rename @account to @selected_account

Setting @account was altering the behavior of the table_inside partial.
Merge pull request #142 from tablexi/bulk-reassignment

Bulk account reassignment