updated favicon
updated favicon

test plan:
1. clear your cache and/or force refresh
2. you should see the new favicon

Change-Id: Iba44bdb6629ac240b180a5be5be5219c2917a0c9
Reviewed-on: https://gerrit.instructure.com/12173
Tested-by: Jenkins <d95b56ce41a2e1ac4cecdd398defd7414407cc08@instructure.com>
Reviewed-by: Ryan Florence <2d8900489f91ac272fd9ce9d5789db6522668ca2@instructure.com>

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