What's new in the April 2019 pages

• The April 2019 pages contain tables and plots that include results put on the arXiv until the end of April, including results from the 2019 winter conferences.
  
  
• Various improvements and corrections in tables and plots.
• The RPP numbers now match those of PDG Live.
• In each page (Charmless Mesonic, Radiative and Leptonic...), there is a link to a pdf file with the corresponding full set of tables, which now include active links to the reference of each result.
• A few of the links to references in the html tables are broken. If this is the case please refer to the item above and get the information from the pdf file.