Add news entry update about 1461 Windows installer
Link Windows installer to redirect instead of Drive directly

Linking to the redirect allows a single point of maintenance.
Change "if blocked" Windows installer link to project server

Previously because of the redirect both were the same.
Revert "Change "if blocked" Windows installer link to project server"

This reverts commit 8d6d3ee352bd19de8c7fc83e330bd3570b72743b.

We are establishing the convention that
downloads.freenetproject.org/latest redirects to somewhere else on
downloads.freenetproject.org, and /jnlp/ redirects to Google Drive.
Revert "Link Windows installer to redirect instead of Drive directly"

This reverts commit 15e73ef3a1826dc1723be21f62784e33af869a2e.

/latest/ does not redirect to Google Drive.
Replace GDrive links with /jnlp/ redirects

This also documents the convention that /jnlp/ redirects to GDrive and
/latest/ redirects elsewhere on FPI infrastructure.
Remove FREENETVERSION links from installer pages

/latest/ redirects to the same thing.