firefox dynamic binary path
firefox dynamic binary path

  job/canvas-sel-r213-ff46/2033/

  will take selenium config option
  firefox_version postfixed onto path
  https://gerrit.instructure.com/#/c/92377/

  built in packer
  https://gerrit.instructure.com/#/c/92379/

Change-Id: I71e40448974ccf54d090f7a7fc1eb7049c447574
Reviewed-on: https://gerrit.instructure.com/92380
Tested-by: Jenkins
Reviewed-by: Landon Wilkins <e219b0c23c4256074cdfc7a23138e4f17200b08f@instructure.com>
Product-Review: Landon Wilkins <e219b0c23c4256074cdfc7a23138e4f17200b08f@instructure.com>
QA-Review: Landon Wilkins <e219b0c23c4256074cdfc7a23138e4f17200b08f@instructure.com>

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