Trying the latest ransack

Trying the latest ransack to be compatible with the latest squeel.
Uses ransack 1.3

Uses ransack 1.3 to be compatible with the rails 4.1
reimplement `ActiveAdmin::ResourceController performing batch_action` spec
implement missing spec in unit/resource_controller_spec
fix test for 1.9.x
Use a select field for a boolean input
Use Ransack 1.3 or higher
change lambda to proc
don't use ARGV in generator
Merge pull request #3356 from timoschilling/specs

fix and implement missing resource controller specs
Merge pull request #3352 from orbanbotond/master

Uses ransack 1.3
bump formtastic to ~> 2.3
Add status tags i18n for all languages

Pulled from Google Translate.
Merge pull request #3384 from shekibobo/i18n-status-tags

Add status tags i18n for all languages
Merge pull request #3377 from timoschilling/no_argv_in_generator

don't use ARGV in generator
Merge pull request #2901 from PChambino/filter_boolean_input

Use a select field for a boolean input