Update torque version

base/torque/ansible/roles/torque/defaults/main.yml

 ---
 db_username: torque_rw
-torque_version: 0.5.4
+torque_version: 0.5.6
 torque_enhanced_curation_version: 0.2.0

roles/torque/defaults/main.yml

 ---
 torque_server_port: 5000
-torque_extension_location: https://code.librehq.com/ots/mediawiki/torque/uploads/f6acdae67e4811a3d4457ebb5511a34c/Torque-0.5.5.tar.gz
+torque_extension_location: https://code.librehq.com/ots/mediawiki/torque/uploads/4f9b74b63aab0949012d687bf6534967/Torque-0.5.6.tar.gz