Temp dropdown edits.
Fix creation of dropdown.
Fix recreation of dropdown in respondents' view.
Save respondents' answers to dropdown.
Temp dropdown edits.
Fix recreation of dropdown in respondents' view.
Save respondents' answers to dropdown.
Update db structure.
Incorporate's saving of dropdown in master
Merge pull request #29 from dcs-csi/refactor_exp1

Save, recreation of dropdown in builder and respondents view