fixed links to animal survey, marked as under construction
fixes #232
removed comments, and unused imports
removed unused imports, triggers is now {qid: display_indices}
get human samples and display using new schema
use iterator instead of list building
triggers now returns (qid, [display_indices])
Merge pull request #235 from wasade/issue_232

fixes #232
fix verification of sample logging
Merge pull request #238 from squirrelo/menu-survey-link

Get human samples and display using new schema
progress toward supp-divs
add_animal is now under /authed/
Merge pull request #234 from wasade/block_animal_survey

fixed links to animal survey, marked as under construction
Merge pull request #239 from squirrelo/verify-add-sample

Fix verification of sample logging
supplemental_eids is now actually a set
Add supp questions into their groups
Merge branch 'suppdivs' of https://github.com/wasade/american-gut-web into put_supplements_into_groups

Conflicts:
	amgut/handlers/human_survey.py
Add unspecified to birth year. Fix #237
Merge pull request #240 from squirrelo/issue-237

Add unspecified to birth year
disable edit of human survey