Mark diablo, essex and folsom with their status

This patch marks the landing pages of non-maintained releases
with appropriate information.

patchset2 addresses Anne's comments
patchset4 - diane fleming - made editorial changes

fixes bug 1191447

Change-Id: Ia90d86a3328ec293e654886d3417d2d846cb8430
Merge "Mark diablo, essex and folsom with their status"