(bug 41365) Added transclusion count to InfoAction.

Currently InfoAction lists the pages that are transcluded
onto the specified page. This adds a list of pages on which
the current page is transcluded. Also, it adds an option to
limit the list size for transclusion links due to memory
concerns.

Change-Id: I45b077cf3f241b1927f7b1818b04b72115d55c28