Use Electron service for printable version

Authored by Tobi_WMDE_SW on Sep 28 2016, 3:10 PM.

Description

Use Electron service for printable version

This is replacing the link behind "printable version" with a link
to the PDF rendered by Electron service.
This is not yet working together with Collection extension since
this extension has another special handling for the
"printable version" link.

Bug: T146894
Change-Id: Ifbf9bc5af1cc95789fe545f473b8a71d8d5cca32

Details