fix order of "Updated Terms of Use" cancel and submit buttons
fix order of "Updated Terms of Use" cancel and submit buttons

Fixes: CNVS-32781

test plan:
- setting the stage... as an admin, create a new user + pw
- in a new window login as the new user
- should see the "Updated Terms of Use" screen where user can
	cancel or submit agreement to terms (buttons should now be
	arranged with the action button on the far right)

	old view: http://screencast.com/t/Zzuzr36bn6

	new view: http://screencast.com/t/TtFNocC8B

Change-Id: I329c9baa1ae35665b36a9b1d89ebdd2620767f2f
Reviewed-on: https://gerrit.instructure.com/94398
Tested-by: Jenkins
Reviewed-by: Stephen Jensen <af2501a686d970a4ae53690c2b6f7e448f31f7df@instructure.com>
Product-Review: Stephen Jensen <af2501a686d970a4ae53690c2b6f7e448f31f7df@instructure.com>
QA-Review: Pierce Arner <de38b793164d9bfa12fc4185260c174139808169@instructure.com>

SwinburneOnline/canvas-lms,instructure/canvas-lms,sfu/canvas-lms,matematikk-mooc/canvas-lms,sfu/canvas-lms,sfu/canvas-lms,instructure/canvas-lms,grahamb/canvas-lms,SwinburneOnline/canvas-lms,djbender/canvas-lms,SwinburneOnline/canvas-lms,instructure/canvas-lms,djbender/canvas-lms,SwinburneOnline/canvas-lms,sfu/canvas-lms,matematikk-mooc/canvas-lms,venturehive/canvas-lms,instructure/canvas-lms,grahamb/canvas-lms,venturehive/canvas-lms,sfu/canvas-lms,djbender/canvas-lms,sfu/canvas-lms,grahamb/canvas-lms,grahamb/canvas-lms,instructure/canvas-lms,venturehive/canvas-lms,instructure/canvas-lms,matematikk-mooc/canvas-lms,venturehive/canvas-lms,djbender/canvas-lms,grahamb/canvas-lms,instructure/canvas-lms,sfu/canvas-lms,matematikk-mooc/canvas-lms