Switch from full sentences on new highlighter

As cool as getting full sentences from the new highlighter is, we often let
non-sentence data into the article text and the sentence fragmenter gets
mightily confused by it, spitting out great gobs of table data.  No fun.

Change-Id: I40d6a19b5e0ce313417725308da7227594100210
Merge "Switch from full sentences on new highlighter"