update sis import documentation
update sis import documentation

Change-Id: I86d676915c5670fedf282d3571f06df0b3d395cb
Reviewed-on: https://gerrit.instructure.com/2905
Tested-by: Hudson <dfb64870173313a9a7b56f814c8e3b33e268497a@instructure.com>
Reviewed-by: JT Olds <0857133ffcd232122dc51ad55bf5fcc9d60af5d3@instructure.com>

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