Merge pull request #382 from edk/master

Honor the sanitize option on loadSuccessCallback. fixes #381
fix to_display when bip_value is undefined/null
Merge pull request #384 from seuros/bipnull

fix to_display when bip_value is undefined/null
Converting attr(data) to data()
Merge pull request #391 from bensaufley/master

Converting attr(data) to data()
removed duplicate trim method call. Added a spec to test response being nil from display_as method
moved from javascript to capybara click on the page.
Merge pull request #392 from faheematapoex/tests_for_display_as_being_nil

Tests to display the default em-dash when display_as returns nil
fix for #399
Merge pull request #400 from ReverseRetail/master

fixes #399