fixed bug where add_button was showing after save on SA & TF Qs
fixed issue where unable to add answer to new quesiton.
fixed the uniqueHash for quesitons issue.
removed choice_letter
moved survey_update script to seporate file.
survey link is not clickable.
removed special case for SA when saving questions.
removed choice_letter from answer _form .
spacing fixes.
removed old reolations from asnwer & response.
added question relation back to surveyAnswer.
removed text required validation from answer model.
added the confirmation modal on survey delete.
Removed the url link to avoid clash with dev merge
Merge branch 'dev' into local-take-survey

Conflicts:
	mySurvey_app/themes/mySurvey_001/views/survey/update.php