allow chaining after $.fn.datepicker
allow chaining after $.fn.datepicker

Change-Id: I555c958de874252d62e7f67898e59107fb589bad
Reviewed-on: https://gerrit.instructure.com/5408
Tested-by: Hudson <dfb64870173313a9a7b56f814c8e3b33e268497a@instructure.com>
Reviewed-by: Jacob Fugal <f862f167b85d41b225785c70d70808bc7337c1fe@instructure.com>

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