Avoid computing "grouped_translations" twice (for tabs and the main switch) in the tabbed translation admin script (the second computation was missing some languages under certain circumstances).
Do generate CSS class name for fields starting with an underscore (still seems to work with two-part codes).
Test that CSS classes names are built properly.
Merge pull request #135 from wrwrwr/feature/js-compute-grouped-translations-once

Avoid computing "grouped_translations" twice in tabbed admin script
Merge pull request #134 from wrwrwr/feature/starting-underscore-tabbed-admin-fix

Fix CSS class generation for fields starting with an underscore
Updated contributors.