make it able to run parallel_tests in ubuntu using bash
Add dropdown option to .actions method for index as table

- Adding dropdown_actions.button_label to locales files
- added scenario actions without default actions
Merge pull request #3076 from dmitry/parallel_tests_bash_fix

Make it able to run parallel_tests in ubuntu using bash
Merge pull request #3074 from dmitry/dropdown-actions-for-index

Add dropdown option to .actions method for index as table