proof-general: support Emacs 24.x

Use upstream suggestion to support Emacs 24.x

Closes #21061.
add mime-info to Gnome folders
z 1.8

Closes #21077.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
serialize proof-general installs
geoserver 2.3.3

Closes #21081.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
openssl: create a cert.pem file from keychain certs