Fix for issue #567.
Issues with feed export not working.
Fix (again) for saving data when resetting a section. Also fix for some JS bugs via user contribution. Main prep work for new group field. Also a fix with validation and arrays, emptying empty data.  ;)
Forgot to remove a debug echo.
Fix for redux save on reset all.
Merge remote-tracking branch 'upstream/master'

git merge upstream/master