PLAT-75 fix RefreshLinksForTitle formatting
PLAT-75 only talk to friends and not strangers

There was some reaching happening through the title object and to the
LinkCache from outside of the title scope. This adds a convenience
method for getting the links from the back-link cache on the title
object.
PLAT-75 adding BatchRefreshLinksForTemplate

This is a replacement for the MediaWikia RefreshLinksJob2 job. I changed
the name to more accurately reflect what is happening in the task.
PLAT-75 wire in the isModern check

Wiring in the isModern check for the RefreshLinksJob.
PLAT-175 adding the RefreshLinksJob to isModern