include adobe connect web conferences gem. fixes CNVS-1275
include adobe connect web conferences gem. fixes CNVS-1275

test plan:
  * bundle install and verify that canvas_connect is
    installed;
  * as a site or account admin, navigate to /plugins and
    verify that the adobe connect plugin is visible.

Change-Id: I60eac7abbc7f014b79d86a04e77c197c0e1eb976
Reviewed-on: https://gerrit.instructure.com/16256
Tested-by: Jenkins <d95b56ce41a2e1ac4cecdd398defd7414407cc08@instructure.com>
QA-Review: Marc LeGendre <d33c80bc45d65303e33ca83108a9952b745af9ef@instructure.com>
Reviewed-by: Jon Willesen <eb5ce5e6a76c243326fecfa94534101600f87bd9@instructure.com>

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