Fixing a bug that prevented to use custom directory structure in the translation catalog interface and hiding help block when no fallback is provided
(cherry picked from commit 2357df6)
Handling exceptions for content deletion
(cherry picked from commit 3d510eb)
Handling flash messages for modals
(cherry picked from commit dace9fc)
Better management of files

 Handling files in temporary directory or in destination directory if already moved
(cherry picked from commit 74fd538)