Gender dropdown menu
Fixes

- Remove erroneous unique constraints on ag_human_survey
- Add support for vioscreen to ag_login_surveys
- Add stable IDs for survey questions
Add stable survey_question_ids
Merge pull request #224 from adamrp/gender_stableIds_vioscreen_rmUniques

Gender stable ids vioscreen rm uniques
fix missing text line
fix vioscreen issue
Merge pull request #225 from squirrelo/oops-british-text

Fix british text and vioscreen
moving db import to package level init
Merge pull request #226 from wasade/agdataaccess_to_package_init

moving db import to package level init