Elgg/Elgg — pull request #7259 by mrclay (2014-10-01 19:39:28+00:00)
Title: (WIP) feature(i18n): alters elgg_echo to allow using fallback keys without notices

This introduces a “quiet” parameter to elgg_echo to have it return false
in case of missing translation, allowing use of fallback keys with
triggering unwanted NOTICEs.

Fixes #6299