snappy 1.1.0

Closes #17867.

Signed-off-by: Jack Nagel <jacknagel@gmail.com>
polyml 5.5

Closes #17888.

Signed-off-by: Jack Nagel <jacknagel@gmail.com>
Groovy 2.1.1

Closes #17894.

Signed-off-by: Jack Nagel <jacknagel@gmail.com>
Fix serialization of used_options
info: open history pages for all specified formulae

Closes #17852.
gnupg 1.4.13
gnupg2: make these deps recommended