[vz-dev] [volkszaehler/volkszaehler.org] f5a93c: Update demo middleware scheme to //

[GitHub]

  Branch: refs/heads/andig-patch-2
  Home:   https://github.com/volkszaehler/volkszaehler.org
  Commit: f5a93c4d2785238947f878f4b8713e579bf65470
      https://github.com/volkszaehler/volkszaehler.org/commit/f5a93c4d2785238947f878f4b8713e579bf65470
  Author: andig <cpuidle at gmx.de>
  Date:   2015-02-25 (Wed, 25 Feb 2015)

  Changed paths:
    M htdocs/frontend/javascripts/options.js

  Log Message:
  -----------
  Update demo middleware scheme to //

Switch to HTTPS if frontend is served on HTTPS.

Finally half-fixes https://github.com/volkszaehler/volkszaehler.org/issues/231 after chat with at justinotherguy