Fix #1265 : Provide login in forgot password email
Fix #1262 : Add timeout on backup db process
Fix #1245 : Rename trials-before-failure configuration to trials-before-display
Fix #1240 : Remove authentication>auto-create>enabled parameter
Hide passwords in bin/setup system:install command
Initialize $template value
Initialize date fields value
Add more precision for available template languages
Remove unused file
Reload tree after databox unmount
Merge pull request #476 from romainneutron/fix_07-10

[3.8] Multiple fixes