add releases for Evergreen 2.x.y

add releases for Evergreen 2.x.y

Sources: http://evergreen-ils.org/egdownloads/code-museum/ and
http://evergreen-ils.org/egdownloads/windows-staff-clients/

Note that there is often some fuzziness about the release
date, depending on whether ones consults the dates reported
on the code museum pages, the timestamps on the files, or
any emailed or posted announcement of the release.

Signed-off-by: Galen Charlton <gmc@esilibrary.com>