added liquid commands to parse page date if coming from a metadata manually given in a page or undefined (use site.time), while still getting date correct for posts
added liquid commands to parse page date if coming from a metadata manually given in a page or undefined (use site.time), while still getting date correct for posts

fboehm/cboettig_site,fboehm/cboettig_site,fboehm/cboettig_site,fboehm/cboettig_site,fboehm/cboettig_site