Show news date on hwpi_template themes.  #1636

@mpetrovic and I each made changes to how dates were displayed.  When the branches were merged, my dates stopped showing up.   Told his function to ignore things that weren't events and my news dates came back
Merge pull request #1821 from openscholar/1636-hwpi_news_date

Show news date on hwpi_template themes.  #1636