Switching localStorage to sessionStorage [#45072665]
First pass at a GUID for activity runs.
Position the link to the summary properly [#45072665]
Creates the ActivityResponse model.
TODO note about the cookie token
Merge branch 'master' into store-data
WIP on controller actions for Activity Responses
Make the link to the report a button

[#45072665]
Updates to README
Guard wishful thinking
Full set of controller actions and tests for activity responses.
Spec changes reflecting controller action changes
Remove obsolete comment
Handling ownership of ActivityResponses
Proper routing of URLs with response_keys
First cuts at JS to handle pushing and retrieving JSON with the server
Declaring and initializing session_key in JS
Starting the process of hiding slow tests in Guard
Putting a session key in the URL if one isn't already there.
Routes to support session keys