minor fix to log syntax.
WIP: added default responses transition. needs tests...

should fix medic-webapp/issues#614
fixed tests from moving getForm helper.
added tests for default responses transition.

also refactored transition a bit for easier testing.
minor tweak to clarify test on default responses transition.
fixed utils.translate(); use proper translations config structure.
Merge pull request #60 from medic/default-responses

Default responses