Geoserver 2.5.2

Updates geoserver from 2.5 to 2.5.2

Closes #31701.

Signed-off-by: Jack Nagel <jacknagel@gmail.com>
net-snmp.rb: add optional python bindings to the formula

- Rebased megahall's PR #24279 on homebrew/master
- Modified to use `which python` as requested there
net-snmp: add 5.7.2.1 bottle.