Added return on failure on DBObject calls, removed not needed limit.
Removed hand cursor on disabled links.
Code cleanup.
Added return on failure for DBObject calls.
Added missing toggle icon.
Fixed non showing answers table on non "new" surveys.
Added visual and functionality improvements.

-Added text at the end of the questions table (suggesting to close window on finish)
-Fixed text for questions with empty answers
-Added confirmation dialogs for delete questions and answers
Added new translation strings.
Translation files sync.