Honor HTML formatting in page title.

Some pages have an italicized title, especially pages about plant and
animal genera (e.g. [[Australopithecus]], [[Boletus]], [[Homo]], etc.)

This will allow the title to be displayed with the intended formatting.

Change-Id: I9b1fe5ac9ba9f53c5c357c9e5c5e6b0641b863a9