fix conferences routes to allow GETs again
fix conferences routes to allow GETs again

for now

Change-Id: I6db47d461961bfc83a8d3d1e6f5c060616879c16
Reviewed-on: https://gerrit.instructure.com/44137
Reviewed-by: Rob Orton <7e09c9d3e96378bf549fc283fd6e1e5b7014cc33@instructure.com>
Tested-by: Rob Orton <7e09c9d3e96378bf549fc283fd6e1e5b7014cc33@instructure.com>
QA-Review: Rob Orton <7e09c9d3e96378bf549fc283fd6e1e5b7014cc33@instructure.com>
Product-Review: Rob Orton <7e09c9d3e96378bf549fc283fd6e1e5b7014cc33@instructure.com>

whalejasmine/canvas-lms,Jyaasa/canvas-lms,sfu/canvas-lms,antoniuslin/canvas-lms,redconfetti/canvas-lms,narigone/canvas,instructure/canvas-lms,venturehive/canvas-lms,fronteerio/canvas-lms,narigone/canvas,va7map/canvas-lms,samuels410/greatlakes-lms,juoni/canvas-lms,va7map/canvas-lms,instructure/canvas-lms,tgroshon/canvas-lms,skmezanul/canvas-lms,roxolan/canvas-lms,SwinburneOnline/canvas-lms,instructure/canvas-lms,matematikk-mooc/canvas-lms,kyroskoh/canvas-lms,ShreniiNepal/shrenii_lmp,va7map/canvas-lms,instructure/canvas-lms,skmezanul/canvas-lms,utkarshx/canvas-lms,roxolan/canvas-lms,HotChalk/canvas-lms,kyroskoh/canvas-lms,jay3126/canvas-lms,dgynn/canvas-lms,redconfetti/canvas-lms,SwinburneOnline/canvas-lms,utkarshx/canvas-lms,leftplusrightllc/canvas-lms,AndranikMarkosyan/lms,wrdsb/canvas-lms,sfu/canvas-lms,sdeleon28/canvas-lms,matematikk-mooc/canvas-lms,AndranikMarkosyan/lms,tgroshon/canvas-lms,sfu/canvas-lms,kyroskoh/canvas-lms,sfu/canvas-lms,shidao-fm/canvas-lms,greyhwndz/canvas-lms,fronteerio/canvas-lms,redconfetti/canvas-lms,antoniuslin/canvas-lms,AndranikMarkosyan/lms,whalejasmine/canvas-lms,Jyaasa/canvas-lms,samuels410/greatlakes-lms,dgynn/canvas-lms,shidao-fm/canvas-lms,whalejasmine/canvas-lms,grahamb/canvas-lms,matematikk-mooc/canvas-lms,efrj/canvas-lms,dgynn/canvas-lms,efrj/canvas-lms,skmezanul/canvas-lms,venturehive/canvas-lms,wrdsb/canvas-lms,grahamb/canvas-lms,Rvor/canvas-lms,samuels410/greatlakes-lms,tgroshon/canvas-lms,HotChalk/canvas-lms,efrj/canvas-lms,va7map/canvas-lms,tgroshon/canvas-lms,redconfetti/canvas-lms,dgynn/canvas-lms,instructure/canvas-lms,eCNAP/CANVAS,wrdsb/canvas-lms,jay3126/canvas-lms,djbender/canvas-lms,SwinburneOnline/canvas-lms,shidao-fm/canvas-lms,jay3126/canvas-lms,Rvor/canvas-lms,eCNAP/CANVAS,HotChalk/canvas-lms,roxolan/canvas-lms,shidao-fm/canvas-lms,instructure/canvas-lms,snehakachroo1/LSI_replica,efrj/canvas-lms,fronteerio/canvas-lms,skmezanul/canvas-lms,ShreniiNepal/shrenii_lmp,greyhwndz/canvas-lms,grahamb/canvas-lms,eCNAP/CANVAS,sdeleon28/canvas-lms,snehakachroo1/LSI_replica,Rvor/canvas-lms,Rvor/canvas-lms,instructure/canvas-lms,narigone/canvas,AndranikMarkosyan/lms,antoniuslin/canvas-lms,sdeleon28/canvas-lms,whalejasmine/canvas-lms,sfu/canvas-lms,leftplusrightllc/canvas-lms,wrdsb/canvas-lms,djbender/canvas-lms,snehakachroo1/LSI_replica,eCNAP/CANVAS,juoni/canvas-lms,juoni/canvas-lms,venturehive/canvas-lms,sfu/canvas-lms,sdeleon28/canvas-lms,antoniuslin/canvas-lms,djbender/canvas-lms,venturehive/canvas-lms,sfu/canvas-lms,ShreniiNepal/shrenii_lmp,utkarshx/canvas-lms,greyhwndz/canvas-lms,Jyaasa/canvas-lms,grahamb/canvas-lms,fronteerio/canvas-lms,narigone/canvas,jay3126/canvas-lms,grahamb/canvas-lms,leftplusrightllc/canvas-lms,matematikk-mooc/canvas-lms,roxolan/canvas-lms,juoni/canvas-lms,leftplusrightllc/canvas-lms,djbender/canvas-lms,utkarshx/canvas-lms,kyroskoh/canvas-lms,ShreniiNepal/shrenii_lmp,HotChalk/canvas-lms,greyhwndz/canvas-lms,Jyaasa/canvas-lms,SwinburneOnline/canvas-lms,samuels410/greatlakes-lms,snehakachroo1/LSI_replica