Added partners and post disbursed loans files to the download table

Added partners and post disbursed loans files to the download table
Added yearly total to the payments table, in the monthly view

Added yearly total to the payments table, in the monthly view
Added code to hide PDL explanation by default

The explanation was big and was pushing the table itself below, to the
second page.  It is now hidden by default
Changed the path for the downloaded JSON files, moving them outside the repository

Changed the path for the downloaded JSON files, moving them outside the
repository