Fixes #5200 - FireFox Keyboard Shortcuts Popup
Fixes #5200 - FireFox Keyboard Shortcuts Popup

Firefox sends 191 for / like it should until the
shift key is pressed, then it sends 0.  Mapped
0 to 191 (will cause < and > and perhaps some
other keys to also pull up the dialog.  Same
behavior can be found on github).

Change-Id: I1759132f2b628dc40f15f5d1b778b7769d6446e4
Reviewed-on: https://gerrit.instructure.com/5722
Reviewed-by: Jon Jensen <44f878afe53efc66b76772bd845eb65944ed8232@instructure.com>
Tested-by: Hudson <dfb64870173313a9a7b56f814c8e3b33e268497a@instructure.com>

loganrun/pincan,skmezanul/canvas-lms,redconfetti/canvas-lms,whalejasmine/canvas-lms,icelab/canvas,wye0220/shindig-canvas,tgroshon/canvas-lms,ShreniiNepal/shrenii_lmp,Rvor/canvas-lms,nditech/red-innovadores-lms,skmezanul/canvas-lms,parbros/red-innovadores-lms,Unow/canvas-lms,skmezanul/canvas-lms,SwinburneOnline/canvas-lms,tgroshon/canvas-lms,grahamb/canvas-lms,faraazkhan/canvas,em2/canvas-lms,Jyaasa/canvas-lms,venturehive/canvas-lms,instructure/canvas-lms,ottenhoff/canvas-lms,samuels410/greatlakes-lms,greyhwndz/canvas-lms,em2/canvas-lms,parbros/red-innovadores-lms,Jyaasa/canvas-lms,samuels410/greatlakes-lms,utkarshx/canvas-lms,matematikk-mooc/canvas-lms,juoni/canvas-lms,jay3126/canvas-lms,faraazkhan/canvas,wrdsb/canvas-lms,eCNAP/CANVAS,HotChalk/canvas-lms,efrj/canvas-lms,sdeleon28/canvas-lms,instructure/canvas-lms,Unow/ins,SwinburneOnline/canvas-lms,parbros/red-innovadores-lms,va7map/canvas-lms,whalejasmine/canvas-lms,matematikk-mooc/canvas-lms,em2/canvas-lms,narigone/canvas,arrivu/hiring-site,sfu/canvas-lms,SwinburneOnline/canvas-lms,usmschuck/canvas,venturehive/canvas-lms,djbender/canvas-lms,leftplusrightllc/canvas-lms,arrivu/hiring-site,dgynn/canvas-lms,fronteerio/canvas-lms,ottenhoff/canvas-lms,utkarshx/canvas-lms,usmschuck/canvas,sfu/canvas-lms,antoniuslin/canvas-lms,skmezanul/canvas-lms,dgynn/canvas-lms,samuels410/greatlakes-lms,arrivu/arrivu-lms,gbleydon/canvas-lms,efrj/canvas-lms,roxolan/canvas-lms,AndranikMarkosyan/lms,greyhwndz/canvas-lms,shidao-fm/canvas-lms,jay3126/canvas-lms,dgynn/canvas-lms,redconfetti/canvas-lms,HotChalk/canvas-lms,Rvor/canvas-lms,tgroshon/canvas-lms,va7map/canvas-lms,greyhwndz/canvas-lms,arrivu/hiring-site,utkarshx/canvas-lms,samuels410/greatlakes-lms,wrdsb/canvas-lms,instructure/canvas-lms,Rvor/canvas-lms,djbender/canvas-lms,arrivu/hoodemo,ankithbti/canvas_lms,grahamb/canvas-lms,Jyaasa/canvas-lms,sli7246/canvas_branch,greyhwndz/canvas-lms,arrivu/qibla-ecampus,juoni/canvas-lms,wye0220/shindig-canvas,dgynn/canvas-lms,ShreniiNepal/shrenii_lmp,djbender/canvas-lms,AndranikMarkosyan/lms,Rvor/canvas-lms,antoniuslin/canvas-lms,va7map/canvas-lms,arrivu/qibla-ecampus,gbleydon/canvas-lms,merichar/canvas-lms,landonwilkins/canvas-lms,eCNAP/CANVAS,Unow/ins,Unow/canvas-lms,rup/Tarrax,loganrun/pincan,fronteerio/canvas-lms,wimemx/Canvas,fronteerio/canvas-lms,kyroskoh/canvas-lms,snehakachroo1/LSI_replica,juoni/canvas-lms,wrdsb/canvas-lms,AndranikMarkosyan/lms,arrivu/arrivu-lms,matematikk-mooc/canvas-lms,arrivu/jigsaw-lms,jay3126/canvas-lms,fronteerio/canvas-lms,usmschuck/canvas,kyroskoh/canvas-lms,ShreniiNepal/shrenii_lmp,sfu/canvas-lms,nditech/red-innovadores-lms,sfu/canvas-lms,sli7246/canvas_branch,rup/Tarrax,leftplusrightllc/canvas-lms,instructure/canvas-lms,nditech/red-innovadores-lms,juoni/canvas-lms,icelab/canvas,arrivu/jigsaw-lms,landonwilkins/canvas-lms,snehakachroo1/LSI_replica,HotChalk/canvas-lms,grahamb/canvas-lms,whalejasmine/canvas-lms,grahamb/canvas-lms,leftplusrightllc/canvas-lms,sfu/canvas-lms,arrivu/qibla-ecampus,narigone/canvas,loganrun/pincan,efrj/canvas-lms,leftplusrightllc/canvas-lms,ottenhoff/canvas-lms,jay3126/canvas-lms,ankithbti/canvas_lms,snehakachroo1/LSI_replica,sdeleon28/canvas-lms,sli7246/canvas_branch,AndranikMarkosyan/lms,arrivu/hoodemo,redconfetti/canvas-lms,wimemx/Canvas,narigone/canvas,instructure/canvas-lms,wye0220/shindig-canvas,sdeleon28/canvas-lms,HotChalk/canvas-lms,merichar/canvas-lms,sdeleon28/canvas-lms,rup/Tarrax,faraazkhan/canvas,venturehive/canvas-lms,kyroskoh/canvas-lms,eCNAP/CANVAS,instructure/canvas-lms,nditech/red-innovadores-lms,icelab/canvas,shidao-fm/canvas-lms,arrivu/hoodemo,roxolan/canvas-lms,Jyaasa/canvas-lms,redconfetti/canvas-lms,sfu/canvas-lms,arrivu/jigsaw-lms,Unow/canvas-lms,roxolan/canvas-lms,wrdsb/canvas-lms,tgroshon/canvas-lms,va7map/canvas-lms,grahamb/canvas-lms,sfu/canvas-lms,Unow/ins,arrivu/arrivu-lms,instructure/canvas-lms,antoniuslin/canvas-lms,usmschuck/canvas,gbleydon/canvas-lms,merichar/canvas-lms,ankithbti/canvas_lms,whalejasmine/canvas-lms,landonwilkins/canvas-lms,SwinburneOnline/canvas-lms,kyroskoh/canvas-lms,shidao-fm/canvas-lms,efrj/canvas-lms,shidao-fm/canvas-lms,wimemx/Canvas,matematikk-mooc/canvas-lms,eCNAP/CANVAS,narigone/canvas,venturehive/canvas-lms,landonwilkins/canvas-lms,roxolan/canvas-lms,utkarshx/canvas-lms,djbender/canvas-lms,antoniuslin/canvas-lms,snehakachroo1/LSI_replica,ShreniiNepal/shrenii_lmp