Evergreen: add Python 3.2 testing

Author: ShaneHarvey

.evergreen/config.yml

@@ -796,6 +796,10 @@ axes:
  display_name: "Python 2.7"
  variables:
  PYTHON_BINARY: "/opt/python/2.7/bin/python"
+ - id: "3.2"
+ display_name: "Python 3.2"
+ variables:
+ PYTHON_BINARY: "/opt/python/3.2/bin/python3"
  - id: "3.3"
  display_name: "Python 3.3"
  variables: