Bug 1048411 - Remove GAIA_INLINE_LOCALES optimization. r=stas
Revert "Merge pull request #20619 from gmarty/Bug-1007948-no-multiple-calls"

This reverts commit 8ccac0744848bd3ceaa6aa1c972ae0eb1e9ddc1e, reversing
changes made to c2c92e7be95dd0b65ee44113e1d17592dd0e20c6.
Merge pull request #24118 from zbraniecki/1048411-remove-inline-locales

Bug 1048411 - Remove GAIA_INLINE_LOCALES optimization. r=stas
Bug 1066455 - added captions ability to the screen reader. Added a 'Display output' screen reader setting. r=alive, arthurcc